travis: only build master and next

carlosmn · carlosmn · commit 28bc42ce822a · 2016-10-31T21:34:00.000+01:00
The other branches will get built as part of a PR.
diff --git a/.travis.yml b/.travis.yml
@@ -17,3 +17,8 @@ go:
 matrix:
   allow_failures:
     - go: tip
+
+branches:
+  only:
+  - master
+  - next
