set npm deploy condition to all_branches because of known issue (see http://docs.travis-ci.com/user/deployment/#Conditional-Releases-with-on%3A)

Author: tschortsch

.travis.yml

@@ -9,5 +9,4 @@ deploy:
     secure: evlzKBR3P22szNdL2w4zS6NFaWJXQMFTUMFXFBnPkofNsnZAdOVPmNTqQbze3fQF+B/Eijv1rHShommktxV567lZi+oewIU5g7zPitiXHzwwuCcaswZnX2W5P2RHHykrpUYAJ9hfkNHolrdf6oLtzvc1aiwKhRgXr9oPLMPGjEA=
   on:
     tags: true
-    repo: tschortsch/gulp-bootlint
-    branch: master
+    all_branches: true