diff --git a/yarn.lock b/yarn.lock
index 7524276..2ef7032 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -944,10 +944,6 @@ ansi-html@0.0.7:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/ansi-html/-/ansi-html-0.0.7.tgz#813584021962a9e9e6fd039f940d12f56ca7859e"
 
-ansi-regex@^1.0.0, ansi-regex@^1.1.1:
-  version "1.1.1"
-  resolved "http://registry.npmjs.org/ansi-regex/-/ansi-regex-1.1.1.tgz#41c847194646375e6a1a5d10c3ca054ef9fc980d"
-
 ansi-regex@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
@@ -1018,17 +1014,6 @@ append-transform@^0.4.0:
   dependencies:
     default-require-extensions "^1.0.0"
 
-application-config-path@^0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/application-config-path/-/application-config-path-0.1.0.tgz#193c5f0a86541a4c66fba1e2dc38583362ea5e8f"
-
-application-config@~1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/application-config/-/application-config-1.0.1.tgz#5aa2e2a5ed6abd2e5d1d473d3596f574044fe9e7"
-  dependencies:
-    application-config-path "^0.1.0"
-    mkdirp "^0.5.1"
-
 aproba@^1.0.3, aproba@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.1.2.tgz#45c6629094de4e96f693ef7eab74ae079c240fc1"
@@ -1174,10 +1159,6 @@ async-some@~1.0.2:
   dependencies:
     dezalgo "^1.0.2"
 
-async@^0.9.0:
-  version "0.9.2"
-  resolved "http://registry.npmjs.org/async/-/async-0.9.2.tgz#aea74d5e61c1f899613bf64bda66d4c78f2fd17d"
-
 async@^1.4.0, async@^1.5.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
@@ -1340,7 +1321,7 @@ babel-messages@^6.23.0:
 
 babel-plugin-istanbul@^4.1.6:
   version "4.1.6"
-  resolved "http://registry.npmjs.org/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.6.tgz#36c59b2192efce81c5b378321b74175add1c9a45"
+  resolved "https://registry.npmjs.org/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.6.tgz#36c59b2192efce81c5b378321b74175add1c9a45"
   dependencies:
     babel-plugin-syntax-object-rest-spread "^6.13.0"
     find-up "^2.1.0"
@@ -1557,9 +1538,9 @@ bluebird@^3.5.1:
   version "3.5.2"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.2.tgz#1be0908e054a751754549c270489c1505d4ab15a"
 
-bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.4.0:
-  version "4.11.6"
-  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.6.tgz#53344adb14617a13f6e8dd2ce28905d1c0ba3215"
+bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.11.9:
+  version "4.12.0"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.12.0.tgz#775b3f278efbb9718eec7361f483fb36fbbfea88"
 
 body-parser@1.18.2:
   version "1.18.2"
@@ -1667,7 +1648,7 @@ braces@^2.3.1:
     split-string "^3.0.2"
     to-regex "^3.0.1"
 
-brorand@^1.0.1:
+brorand@^1.0.1, brorand@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
 
@@ -2036,13 +2017,6 @@ chalk@^2.3.2, chalk@^2.4.1:
     escape-string-regexp "^1.0.5"
     supports-color "^5.3.0"
 
-changelog-parser@^2.0.0:
-  version "2.5.0"
-  resolved "https://registry.yarnpkg.com/changelog-parser/-/changelog-parser-2.5.0.tgz#5d67aa2463cf508ef1415f006669595c7fe1dea3"
-  dependencies:
-    line-reader "^0.2.4"
-    remove-markdown "^0.2.2"
-
 char-spinner@~1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/char-spinner/-/char-spinner-1.0.1.tgz#e6ea67bd247e107112983b7ab0479ed362800081"
@@ -2140,10 +2114,6 @@ cli-cursor@^2.1.0:
   dependencies:
     restore-cursor "^2.0.0"
 
-cli-width@^1.0.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-1.1.1.tgz#a4d293ef67ebb7b88d4a4d42c0ccf00c4d1e366d"
-
 cli-width@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-2.1.0.tgz#b234ca209b29ef66fc518d9b98d5847b00edf00a"
@@ -2289,7 +2259,7 @@ columnify@~1.5.4:
 
 combined-stream@1.0.6:
   version "1.0.6"
-  resolved "http://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz#723e7df6e801ac5613113a7e445a9b69cb632818"
+  resolved "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz#723e7df6e801ac5613113a7e445a9b69cb632818"
   dependencies:
     delayed-stream "~1.0.0"
 
@@ -2886,10 +2856,6 @@ deep-equal@^1.0.1, deep-equal@~1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/deep-equal/-/deep-equal-1.0.1.tgz#f5d260292b660e084eff4cdbc9f08ad3247448b5"
 
-deep-extend@^0.3.3:
-  version "0.3.3"
-  resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.3.3.tgz#2e8adfe69ed580ea019ce2efa9fa5f5106ea39c7"
-
 deep-extend@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.6.0.tgz#c4fa7c95404a17a9c3e8ca7e1537312b736330ac"
@@ -3133,12 +3099,6 @@ dot-prop@^4.1.0, dot-prop@^4.1.1:
   dependencies:
     is-obj "^1.0.0"
 
-duplexer2@~0.0.2:
-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/duplexer2/-/duplexer2-0.0.2.tgz#c614dcf67e2fb14995a91711e5a617e8a60a31db"
-  dependencies:
-    readable-stream "~1.1.9"
-
 duplexer3@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/duplexer3/-/duplexer3-0.1.4.tgz#ee01dd1cac0ed3cbc7fdbea37dc0a8f1ce002ce2"
@@ -3191,16 +3151,16 @@ electron-to-chromium@^1.3.73:
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.75.tgz#dd04551739e7371862b0ac7f4ddaa9f3f95b7e68"
 
 elliptic@^6.0.0:
-  version "6.4.0"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.4.0.tgz#cac9af8762c85836187003c8dfe193e5e2eae5df"
+  version "6.5.4"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.4.tgz#da37cebd31e79a1367e941b592ed1fbebd58abbb"
   dependencies:
-    bn.js "^4.4.0"
-    brorand "^1.0.1"
+    bn.js "^4.11.9"
+    brorand "^1.1.0"
     hash.js "^1.0.0"
-    hmac-drbg "^1.0.0"
-    inherits "^2.0.1"
-    minimalistic-assert "^1.0.0"
-    minimalistic-crypto-utils "^1.0.0"
+    hmac-drbg "^1.0.1"
+    inherits "^2.0.4"
+    minimalistic-assert "^1.0.1"
+    minimalistic-crypto-utils "^1.0.1"
 
 email-addresses@^3.0.1:
   version "3.0.2"
@@ -3751,13 +3711,6 @@ figgy-pudding@^3.1.0, figgy-pudding@^3.5.1:
   version "3.5.1"
   resolved "https://registry.yarnpkg.com/figgy-pudding/-/figgy-pudding-3.5.1.tgz#862470112901c727a0e495a80744bd5baa1d6790"
 
-figures@^1.3.5:
-  version "1.7.0"
-  resolved "https://registry.yarnpkg.com/figures/-/figures-1.7.0.tgz#cbe1e3affcf1cd44b80cadfed28dc793a9701d2e"
-  dependencies:
-    escape-string-regexp "^1.0.5"
-    object-assign "^4.1.0"
-
 figures@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/figures/-/figures-2.0.0.tgz#3ab1a2d2a62c8bfb431a0c94cb797a2fce27c962"
@@ -4205,42 +4158,6 @@ gh-pages@^2.0.1:
     graceful-fs "^4.1.11"
     rimraf "^2.6.2"
 
-gh-publish@^2.2.5:
-  version "2.2.5"
-  resolved "https://registry.yarnpkg.com/gh-publish/-/gh-publish-2.2.5.tgz#6682f586ad98a74caada8d992bf81d6a38ee53dc"
-  dependencies:
-    chalk "^1.0.0"
-    changelog-parser "^2.0.0"
-    deep-extend "^0.3.3"
-    gh-release-assets "^1.1.0"
-    ghauth "^3.2.0"
-    github-url-to-object "^3.0.0"
-    inquirer "^0.8.0"
-    request "^2.55.0"
-    shelljs "^0.3.0"
-    yargs "^2.1.1"
-
-gh-release-assets@^1.1.0:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/gh-release-assets/-/gh-release-assets-1.1.2.tgz#efbd4eaf3294a1985636bff6b3b9645d8ffd9457"
-  dependencies:
-    async "^0.9.0"
-    mime "^1.3.4"
-    progress-stream "^2.0.0"
-    request "^2.85.0"
-    util-extend "^1.0.1"
-
-ghauth@^3.2.0:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/ghauth/-/ghauth-3.2.1.tgz#45d7556437164ad8b4b037c02c627fd55019e31a"
-  dependencies:
-    application-config "~1.0.0"
-    bl "~1.1.2"
-    hyperquest "~2.0.0"
-    mkdirp "~0.5.1"
-    read "~1.0.7"
-    xtend "~4.0.1"
-
 gitbook-cli@2.3.2:
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/gitbook-cli/-/gitbook-cli-2.3.2.tgz#5e893582e1f743f6fa920c3c3eb36b62ea4a31a0"
@@ -4292,12 +4209,6 @@ github-url-from-username-repo@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/github-url-from-username-repo/-/github-url-from-username-repo-1.0.2.tgz#7dd79330d2abe69c10c2cef79714c97215791dfa"
 
-github-url-to-object@^3.0.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/github-url-to-object/-/github-url-to-object-3.1.0.tgz#160a5d55ad7cf0459e0757f7912d718076b7ed7d"
-  dependencies:
-    is-url "^1.1.0"
-
 glob-base@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/glob-base/-/glob-base-0.3.0.tgz#dbb164f6221b1c0b1ccf82aea328b497df0ea3c4"
@@ -4578,10 +4489,11 @@ hash-sum@^1.0.2:
   resolved "https://registry.yarnpkg.com/hash-sum/-/hash-sum-1.0.2.tgz#33b40777754c6432573c120cc3808bbd10d47f04"
 
 hash.js@^1.0.0, hash.js@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.0.3.tgz#1332ff00156c0a0ffdd8236013d07b77a0451573"
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.7.tgz#0babca538e8d4ee4a0f8988d68866537a003cf42"
   dependencies:
-    inherits "^2.0.1"
+    inherits "^2.0.3"
+    minimalistic-assert "^1.0.1"
 
 hawk@3.1.3, hawk@~3.1.3:
   version "3.1.3"
@@ -4613,7 +4525,7 @@ highlight.js@*:
   version "9.12.0"
   resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.12.0.tgz#e6d9dbe57cbefe60751f02af336195870c90c01e"
 
-hmac-drbg@^1.0.0:
+hmac-drbg@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
   dependencies:
@@ -4694,7 +4606,7 @@ html-minifier@^3.2.3:
 
 html-webpack-plugin@^3.2.0:
   version "3.2.0"
-  resolved "http://registry.npmjs.org/html-webpack-plugin/-/html-webpack-plugin-3.2.0.tgz#b01abbd723acaaa7b37b6af4492ebda03d9dd37b"
+  resolved "https://registry.npmjs.org/html-webpack-plugin/-/html-webpack-plugin-3.2.0.tgz#b01abbd723acaaa7b37b6af4492ebda03d9dd37b"
   dependencies:
     html-minifier "^3.2.3"
     loader-utils "^0.2.16"
@@ -4760,7 +4672,7 @@ http-proxy-agent@^2.0.0:
 
 http-proxy-middleware@~0.18.0:
   version "0.18.0"
-  resolved "http://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-0.18.0.tgz#0987e6bb5a5606e5a69168d8f967a87f15dd8aab"
+  resolved "https://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-0.18.0.tgz#0987e6bb5a5606e5a69168d8f967a87f15dd8aab"
   dependencies:
     http-proxy "^1.16.2"
     is-glob "^4.0.0"
@@ -4814,13 +4726,6 @@ humanize-url@^1.0.0:
     normalize-url "^1.0.0"
     strip-url-auth "^1.0.0"
 
-hyperquest@~2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/hyperquest/-/hyperquest-2.0.0.tgz#3d1a0c5d83295bcde5c75a978ddaae4096f83c02"
-  dependencies:
-    duplexer2 "~0.0.2"
-    through2 "~0.6.3"
-
 iconv-lite@0.4.19, iconv-lite@~0.4.13:
   version "0.4.19"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
@@ -4914,14 +4819,18 @@ inflight@^1.0.4, inflight@~1.0.4, inflight@~1.0.6:
     once "^1.3.0"
     wrappy "1"
 
-inherits@2, inherits@2.0.3, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, inherits@~2.0.1, inherits@~2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+inherits@2, inherits@^2.0.1, inherits@^2.0.3, inherits@^2.0.4, inherits@~2.0.0, inherits@~2.0.1, inherits@~2.0.3:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
 
 inherits@2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.1.tgz#b17d08d326b4423e568eff719f91b0b1cbdf69f1"
 
+inherits@2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+
 ini@^1.3.4, ini@~1.3.0:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.4.tgz#0537cb79daf59b59a1a517dff706c86ec039162e"
@@ -4956,19 +4865,6 @@ init-package-json@~1.9.4:
     validate-npm-package-license "^3.0.1"
     validate-npm-package-name "^3.0.0"
 
-inquirer@^0.8.0:
-  version "0.8.5"
-  resolved "http://registry.npmjs.org/inquirer/-/inquirer-0.8.5.tgz#dbd740cf6ca3b731296a63ce6f6d961851f336df"
-  dependencies:
-    ansi-regex "^1.1.1"
-    chalk "^1.0.0"
-    cli-width "^1.0.1"
-    figures "^1.3.5"
-    lodash "^3.3.1"
-    readline2 "^0.1.1"
-    rx "^2.4.3"
-    through "^2.3.6"
-
 inquirer@^6.1.0:
   version "6.2.0"
   resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-6.2.0.tgz#51adcd776f661369dc1e894859c2560a224abdd8"
@@ -5331,10 +5227,6 @@ is-typedarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
 
-is-url@^1.1.0:
-  version "1.2.4"
-  resolved "https://registry.yarnpkg.com/is-url/-/is-url-1.2.4.tgz#04a4df46d28c4cff3d73d01ff06abeb318a1aa52"
-
 is-utf8@^0.2.0:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
@@ -6108,10 +6000,6 @@ levn@^0.3.0, levn@~0.3.0:
     prelude-ls "~1.1.2"
     type-check "~0.3.2"
 
-line-reader@^0.2.4:
-  version "0.2.4"
-  resolved "https://registry.yarnpkg.com/line-reader/-/line-reader-0.2.4.tgz#c4392b587dea38580c9678570e6e8e49fce52622"
-
 load-json-file@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-1.1.0.tgz#956905708d58b4bab4c2261b04f59f31c99374c0"
@@ -6262,10 +6150,6 @@ lodash@4.17.4, lodash@4.x, lodash@^4.0.0, lodash@^4.13.1, lodash@^4.14.0, lodash
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
-lodash@^3.3.1:
-  version "3.10.1"
-  resolved "http://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
-
 lodash@^4.17.10, lodash@^4.17.5:
   version "4.17.11"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
@@ -6600,10 +6484,6 @@ mime@1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.4.1.tgz#121f9ebc49e3766f311a76e1fa1c8003c4b03aa6"
 
-mime@^1.3.4:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
-
 mime@^2.3.1:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/mime/-/mime-2.3.1.tgz#b1621c54d63b97c47d3cfe7f7215f7d64517c369"
@@ -6620,11 +6500,11 @@ mini-css-extract-plugin@^0.4.3:
     schema-utils "^1.0.0"
     webpack-sources "^1.1.0"
 
-minimalistic-assert@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.0.tgz#702be2dda6b37f4836bcb3f5db56641b64a1d3d3"
+minimalistic-assert@^1.0.0, minimalistic-assert@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz#2e194de044626d4a10e7f7fbc00ce73e83e4d5c7"
 
-minimalistic-crypto-utils@^1.0.0, minimalistic-crypto-utils@^1.0.1:
+minimalistic-crypto-utils@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
 
@@ -6761,10 +6641,6 @@ multicast-dns@^6.0.1:
     dns-packet "^1.0.1"
     thunky "^0.1.0"
 
-mute-stream@0.0.4:
-  version "0.0.4"
-  resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.4.tgz#a9219960a6d5d5d046597aee51252c6655f7177e"
-
 mute-stream@0.0.7, mute-stream@~0.0.4:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
@@ -7652,7 +7528,7 @@ p-finally@^1.0.0:
 
 p-is-promise@^1.1.0:
   version "1.1.0"
-  resolved "http://registry.npmjs.org/p-is-promise/-/p-is-promise-1.1.0.tgz#9c9456989e9f6588017b0434d56097675c3da05e"
+  resolved "https://registry.npmjs.org/p-is-promise/-/p-is-promise-1.1.0.tgz#9c9456989e9f6588017b0434d56097675c3da05e"
 
 p-limit@^1.0.0:
   version "1.3.0"
@@ -8284,13 +8160,6 @@ process@^0.11.0:
   version "0.11.10"
   resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
 
-progress-stream@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/progress-stream/-/progress-stream-2.0.0.tgz#fac63a0b3d11deacbb0969abcc93b214bce19ed5"
-  dependencies:
-    speedometer "~1.0.0"
-    through2 "~2.0.3"
-
 progress@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/progress/-/progress-2.0.0.tgz#8a1be366bf8fc23db2bd23f10c6fe920b4389d1f"
@@ -8599,7 +8468,7 @@ read@1, read@~1.0.1, read@~1.0.7:
     string_decoder "~1.0.3"
     util-deprecate "~1.0.1"
 
-readable-stream@1.0, "readable-stream@>=1.0.33-1 <1.1.0-0":
+readable-stream@1.0:
   version "1.0.34"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
   dependencies:
@@ -8620,7 +8489,7 @@ readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5, readable
     string_decoder "~1.0.0"
     util-deprecate "~1.0.1"
 
-readable-stream@~1.1.10, readable-stream@~1.1.9:
+readable-stream@~1.1.10:
   version "1.1.14"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.1.14.tgz#7cf4c54ef648e3813084c636dd2079e166c081d9"
   dependencies:
@@ -8670,13 +8539,6 @@ readdirp@^2.0.0:
     readable-stream "^2.0.2"
     set-immediate-shim "^1.0.1"
 
-readline2@^0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/readline2/-/readline2-0.1.1.tgz#99443ba6e83b830ef3051bfd7dc241a82728d568"
-  dependencies:
-    mute-stream "0.0.4"
-    strip-ansi "^2.0.1"
-
 realize-package-specifier@~3.0.1:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/realize-package-specifier/-/realize-package-specifier-3.0.3.tgz#d0def882952b8de3f67eba5e91199661271f41f4"
@@ -8823,10 +8685,6 @@ remove-array-items@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/remove-array-items/-/remove-array-items-1.0.0.tgz#07bf42cb332f4cf6e85ead83b5e4e896d2326b21"
 
-remove-markdown@^0.2.2:
-  version "0.2.2"
-  resolved "https://registry.yarnpkg.com/remove-markdown/-/remove-markdown-0.2.2.tgz#66b0ceeba9fb77ca9636bb1b0307ce21a32a12a6"
-
 remove-trailing-separator@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.0.1.tgz#615ebb96af559552d4bf4057c8436d486ab63cc4"
@@ -8921,31 +8779,6 @@ request@2.87.0:
     tunnel-agent "^0.6.0"
     uuid "^3.1.0"
 
-request@^2.55.0, request@^2.85.0, request@^2.87.0:
-  version "2.88.0"
-  resolved "https://registry.yarnpkg.com/request/-/request-2.88.0.tgz#9c2fca4f7d35b592efe57c7f0a55e81052124fef"
-  dependencies:
-    aws-sign2 "~0.7.0"
-    aws4 "^1.8.0"
-    caseless "~0.12.0"
-    combined-stream "~1.0.6"
-    extend "~3.0.2"
-    forever-agent "~0.6.1"
-    form-data "~2.3.2"
-    har-validator "~5.1.0"
-    http-signature "~1.2.0"
-    is-typedarray "~1.0.0"
-    isstream "~0.1.2"
-    json-stringify-safe "~5.0.1"
-    mime-types "~2.1.19"
-    oauth-sign "~0.9.0"
-    performance-now "^2.1.0"
-    qs "~6.5.2"
-    safe-buffer "^5.1.2"
-    tough-cookie "~2.4.3"
-    tunnel-agent "^0.6.0"
-    uuid "^3.3.2"
-
 request@^2.74.0, request@^2.83.0:
   version "2.83.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.83.0.tgz#ca0b65da02ed62935887808e6f510381034e3356"
@@ -9000,6 +8833,31 @@ request@^2.79.0:
     tunnel-agent "^0.6.0"
     uuid "^3.1.0"
 
+request@^2.87.0:
+  version "2.88.0"
+  resolved "https://registry.yarnpkg.com/request/-/request-2.88.0.tgz#9c2fca4f7d35b592efe57c7f0a55e81052124fef"
+  dependencies:
+    aws-sign2 "~0.7.0"
+    aws4 "^1.8.0"
+    caseless "~0.12.0"
+    combined-stream "~1.0.6"
+    extend "~3.0.2"
+    forever-agent "~0.6.1"
+    form-data "~2.3.2"
+    har-validator "~5.1.0"
+    http-signature "~1.2.0"
+    is-typedarray "~1.0.0"
+    isstream "~0.1.2"
+    json-stringify-safe "~5.0.1"
+    mime-types "~2.1.19"
+    oauth-sign "~0.9.0"
+    performance-now "^2.1.0"
+    qs "~6.5.2"
+    safe-buffer "^5.1.2"
+    tough-cookie "~2.4.3"
+    tunnel-agent "^0.6.0"
+    uuid "^3.3.2"
+
 request@~2.74.0:
   version "2.74.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.74.0.tgz#7693ca768bbb0ea5c8ce08c084a45efa05b892ab"
@@ -9146,10 +9004,6 @@ run-queue@^1.0.0, run-queue@^1.0.3:
   dependencies:
     aproba "^1.1.1"
 
-rx@^2.4.3:
-  version "2.5.3"
-  resolved "https://registry.yarnpkg.com/rx/-/rx-2.5.3.tgz#21adc7d80f02002af50dae97fd9dbf248755f566"
-
 rxjs@^6.1.0:
   version "6.3.3"
   resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.3.3.tgz#3c6a7fa420e844a81390fb1158a9ec614f4bad55"
@@ -9400,10 +9254,6 @@ shebang-regex@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
 
-shelljs@^0.3.0:
-  version "0.3.0"
-  resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.3.0.tgz#3596e6307a781544f591f37da618360f31db57b1"
-
 shellwords@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/shellwords/-/shellwords-0.1.1.tgz#d6b9181c1a48d397324c84871efbcfc73fc0654b"
@@ -9637,10 +9487,6 @@ spdy@^3.4.1:
     select-hose "^2.0.0"
     spdy-transport "^2.0.18"
 
-speedometer@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/speedometer/-/speedometer-1.0.0.tgz#cd671cb06752c22bca3370e2f334440be4fc62e2"
-
 split-string@^3.0.1, split-string@^3.0.2:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/split-string/-/split-string-3.1.0.tgz#7cb09dda3a86585705c64b39a6466038682e8fe2"
@@ -9830,12 +9676,6 @@ stringstream@~0.0.4, stringstream@~0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.5.tgz#4e484cd4de5a0bbbee18e46307710a8a81621878"
 
-strip-ansi@^2.0.1:
-  version "2.0.1"
-  resolved "http://registry.npmjs.org/strip-ansi/-/strip-ansi-2.0.1.tgz#df62c1aa94ed2f114e1d0f21fd1d50482b79a60e"
-  dependencies:
-    ansi-regex "^1.0.0"
-
 strip-ansi@^3.0.0, strip-ansi@^3.0.1, strip-ansi@~3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-3.0.1.tgz#6a385fb8853d952d5ff05d0e8aaf94278dc63dcf"
@@ -9960,7 +9800,7 @@ symbol-tree@^3.2.1:
 
 table@^4.0.3:
   version "4.0.3"
-  resolved "http://registry.npmjs.org/table/-/table-4.0.3.tgz#00b5e2b602f1794b9acaf9ca908a76386a7813bc"
+  resolved "https://registry.npmjs.org/table/-/table-4.0.3.tgz#00b5e2b602f1794b9acaf9ca908a76386a7813bc"
   dependencies:
     ajv "^6.0.1"
     ajv-keywords "^3.0.0"
@@ -10060,20 +9900,13 @@ throat@^4.0.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/throat/-/throat-4.1.0.tgz#89037cbc92c56ab18926e6ba4cbb200e15672a6a"
 
-through2@^2.0.0, through2@~2.0.3:
+through2@^2.0.0:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/through2/-/through2-2.0.3.tgz#0004569b37c7c74ba39c43f3ced78d1ad94140be"
   dependencies:
     readable-stream "^2.1.5"
     xtend "~4.0.1"
 
-through2@~0.6.3:
-  version "0.6.5"
-  resolved "https://registry.yarnpkg.com/through2/-/through2-0.6.5.tgz#41ab9c67b29d57209071410e1d7a7a968cd3ad48"
-  dependencies:
-    readable-stream ">=1.0.33-1 <1.1.0-0"
-    xtend ">=4.0.0 <4.1.0-0"
-
 "through@>=2.2.7 <3", through@^2.3.6:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
@@ -11162,7 +10995,7 @@ write@^0.2.1:
 
 ws@^4.0.0:
   version "4.1.0"
-  resolved "http://registry.npmjs.org/ws/-/ws-4.1.0.tgz#a979b5d7d4da68bf54efe0408967c324869a7289"
+  resolved "https://registry.npmjs.org/ws/-/ws-4.1.0.tgz#a979b5d7d4da68bf54efe0408967c324869a7289"
   dependencies:
     async-limiter "~1.0.0"
     safe-buffer "~5.1.0"
@@ -11240,7 +11073,7 @@ yargs@12.0.2, yargs@^12.0.2:
 
 yargs@^11.0.0:
   version "11.1.0"
-  resolved "http://registry.npmjs.org/yargs/-/yargs-11.1.0.tgz#90b869934ed6e871115ea2ff58b03f4724ed2d77"
+  resolved "https://registry.npmjs.org/yargs/-/yargs-11.1.0.tgz#90b869934ed6e871115ea2ff58b03f4724ed2d77"
   dependencies:
     cliui "^4.0.0"
     decamelize "^1.1.1"
@@ -11255,12 +11088,6 @@ yargs@^11.0.0:
     y18n "^3.2.1"
     yargs-parser "^9.0.2"
 
-yargs@^2.1.1:
-  version "2.3.0"
-  resolved "http://registry.npmjs.org/yargs/-/yargs-2.3.0.tgz#e900c87250ec5cd080db6009fe3dd63156f1d7fb"
-  dependencies:
-    wordwrap "0.0.2"
-
 yargs@^7.0.0:
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-7.1.0.tgz#6ba318eb16961727f5d284f8ea003e8d6154d0c8"