build should not fail now that golint is added

.travis.yml

diff --git a/.travis.yml b/.travis.yml
index c42cbf3..64e44fa 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,5 +7,8 @@
 
 sudo: false
 
+install:
+  - go get -u github.com/golang/lint/golint
+
 script:
   - ./_test.sh
\ No newline at end of file