Skip building on not master

.travis.yml

@@ -93,5 +93,9 @@ before_script:
 script:
   - nosetests tests
 
+branches:
+  only:
+    - master
+
 notifications:
   email: false

appveyor.yml

@@ -66,3 +66,7 @@ test_script:
   # Run the project tests
   - "%CMD_IN_ENV% pip install nose"
   - "nosetests -vs tests"
+
+branches:
+  only:
+    - master