gssapi/travis: add Go versions

alextoombs · alextoombs · commit 79f238796df1 · 2016-01-04T16:34:56.000-08:00
Test against go 1.4, 1.5, and tip.
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,10 @@
 language: go
 
+go:
+  - 1.4
+  - 1.5
+  - tip
+
 sudo: required
 services:
   - docker
