Merge pull request scala#9592 from lrytz/cron-notification

add travis notifications to our slack

Author: lrytz

.travis.yml

@@ -167,4 +167,10 @@ cache:
     - $HOME/.rvm
 
 notifications:
+  slack:
+    rooms:
+      - typesafe:WoewGgHil2FkdGzJyV3phAhj
+    if: type = cron OR type = push
+    on_success: never
+    on_failure: change
   webhooks: https://scala-ci.typesafe.com/benchq/webhooks/travis