fix(build): fixes the travisCI build config

TravisCI needs to have the git config username set or it throws 'Please tell me who you are' errors.
This adds a dummy user to the git config.

Part of #28

Author: jimthedev

.travis.yml

@@ -10,6 +10,8 @@ node_js:
   - '0.12'
   - '0.10'
 before_install:
+  # Prevent "tell me who you are" errors 
+  - git config --global user.name "TravisCI"
   - npm i -g npm@^2.0.0
 before_script:
   - npm prune