trigger travis test

Author: yuin

.travis.yml

@@ -12,4 +12,4 @@ before_install:
 install:
   - go get -u -v $(go list -f '{{join .Imports "\n"}}{{"\n"}}{{join .TestImports "\n"}}' ./... | sort | uniq | grep -v gopher-lua)
 script:
-    - $HOME/gopath/bin/goveralls -vetoff -service=travis-ci
+    - $HOME/gopath/bin/goveralls -service=travis-ci -vetoff