Removed master only branches from travis yaml file.

.travis.yml

@@ -1,8 +1,5 @@
 language: objective-c
 osx_image: beta-xcode6.3
-branches:
-  only:
-    - master
 env:
 - LC_CTYPE=en_US.UTF-8 LANG=en_US.UTF-8
 before_install: