Only build the master branch on Travis.

whitequark · whitequark · commit 56bba3009d57 · 2015-06-13T09:34:31.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,9 @@
 language: python
 python:
   - '3.4'
+branches:
+  only:
+    - master
 sudo: false
 env:
   global:
