Travis: Target latest stable version of Go. (#59)

Travis now refers to "tip" as "master".

Author: dmitshur

.travis.yml

@@ -5,11 +5,11 @@ addons:
     - xorg-dev
 language: go
 go:
-  - 1.6.2
-  - tip
+  - 1.x
+  - master
 matrix:
   allow_failures:
-    - go: tip
+    - go: master
   fast_finish: true
 install:
   - # Do nothing. This is needed to prevent default install action "go get -t -v ./..." from happening here (we want it to happen inside script step).