add python 3.4 to travis ci

Author: derek73

.travis.yml

@@ -4,6 +4,7 @@ python:
   - "2.7"
   - "3.2"
   - "3.3"
+  - "3.4"
 # command to install dependencies
 install: 
   - if [[ $TRAVIS_PYTHON_VERSION == '2.6' ]]; then pip install --use-mirrors unittest2; fi