Use npm graphael in analytics

this depends on the the commit that makes it so plugins can 
have their own package.json (g/111765).
and once this is submitted, we can also submit (g/111712) which deletes
deletes graphael from canvas's public/javascripts/vendor.

refs: CNVS-36895

test plan:
* http://c.dev/courses/1/analytics should still work

Change-Id: I33647c905534564d9ec9adecb64d4dbedb1963af
Reviewed-on: https://gerrit.instructure.com/108509
Tested-by: Jenkins
Reviewed-by: Brent Burgoyne <bburgoyne@instructure.com>
Product-Review: Ryan Shaw <ryan@instructure.com>
QA-Review: Ryan Shaw <ryan@instructure.com>

Author: ryankshaw

.gitignore

@@ -1,10 +1,2 @@
-tmp/**/*
-tmp/*
-public/javascripts/jst/*
-public/javascripts/compiled/*
-public/stylesheets/compiled/*
-public/stylesheets/compiled/**/*
-public/optimized/
-.sass-cache
-spec_canvas/javascripts/
 .DS_Store
+node_modules

app/coffeescripts/graphs/base.coffee

@@ -1,5 +1,5 @@
 define [
-  'vendor/graphael'
+  'graphael'
   'jquery.disableWhileLoading'
 ], (graphael) ->
 

package.json

@@ -0,0 +1,6 @@
+{
+  "name": "analytics",
+  "dependencies": {
+    "graphael": "https://github.com/ryankshaw/graphael.git"
+  }
+}

yarn.lock

@@ -0,0 +1,19 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+eve-raphael@0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/eve-raphael/-/eve-raphael-0.5.0.tgz#17c754b792beef3fa6684d79cf5a47c63c4cda30"
+
+"graphael@https://github.com/ryankshaw/graphael.git":
+  version "1.2.0"
+  resolved "https://github.com/ryankshaw/graphael.git#067542642fa240925e4e3dd13153333ae1d3ad60"
+  dependencies:
+    raphael "^2.1.4"
+
+raphael@^2.1.4:
+  version "2.2.7"
+  resolved "https://registry.yarnpkg.com/raphael/-/raphael-2.2.7.tgz#231b19141f8d086986d8faceb66f8b562ee2c810"
+  dependencies:
+    eve-raphael "0.5.0"