.travis.yml file is out of date, auto-updating .travis.yml file.

.travis.yml

@@ -164,4 +164,4 @@ notifications:
   #email:
   # if we specify piwik-builds@piwik.org then the developer doesn't get notified
   #  - piwik-builds@piwik.org
-  # this is a missing feature by Travis to notify both list and committer
+  # this is a missing feature by Travis to notify both list and committer
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