Merge pull request #15176 from twbs/savage-travis

Setup Travis event notification webhook for Savage
[skip sauce]
[skip validator]

.travis.yml

@@ -35,3 +35,5 @@ matrix:
   fast_finish: true
 notifications:
   slack: heybb:iz4wwosL0N0EdaX1gvgkU0NH
+  webhooks:
+    - http://savage.twbsapps.com/savage/travis