Merge pull request #7 from Martin819/master

Add travis condition to only send notifications for master branch [WIP]

.travis.yml

@@ -22,6 +22,7 @@ env:
     - PLATFORM=trevorj/salty-whales:trusty
     - PLATFORM=trevorj/salty-whales:xenial
 
+
 before_script:
   - set -o pipefail
   - make test | tail
@@ -30,6 +31,8 @@ script:
   - test ! -e .kitchen.yml || bundle exec kitchen test -t tests/integration
 
 notifications:
+  on:
+    branch: master
   webhooks:
     urls:
       - https://webhooks.gitter.im/e/6123573504759330786b