Merge pull request #95 from flynn/update-travis

Test on Go 1.6
diff --git a/.travis.yml b/.travis.yml
index b0822a6..3f7c5d0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: go
 go:
-  - 1.4
+  - 1.6.2
   - tip
 
 sudo: false