send travis-ci notifications to slack (#2404)

* send travis-ci notifications to slack

* only send on failure

* try again

* wtf..

* test again

* test again

* test again

* test again

* test again

* one last time

* remove newline.

.travis.yml

@@ -2,24 +2,27 @@ sudo: required
 dist: trusty
 language: node_js
 node_js:
-  - '7.0'
+- '7.0'
 env:
-  - BROWSERSTACK_USERNAME=info184
-
+- BROWSERSTACK_USERNAME=info184
 addons:
   chrome: stable,
   browserstack:
-    username: "info184"
+    username: info184
     access_key:
-      secure: "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"
-
+      secure: 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
 before_install:
-  - npm install -g gulp
-  - google-chrome-stable --headless --disable-gpu --remote-debugging-port=9222 http://localhost &
-
-script: |
+- npm install -g gulp
+- google-chrome-stable --headless --disable-gpu --remote-debugging-port=9222 http://localhost &
+script: |-
   if [[ ${TRAVIS_PULL_REQUEST} == "false" ]]; then
     gulp test --browserstack
   else
     gulp run-tests
-  fi
+  fi
+notifications:
+  slack:
+    on_success: never
+    on_failure: always
+    on_pull_requests: false
+    secure: 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