[GP,LA] Adding first unit tests, UI loading sample data
Merge pull request #3 from Gerii/master

[GP,LA] Adding first unit tests, UI loading sample data
[GP,LA] Adding filepath as required field
Merge pull request #4 from luke8800gts/korrektur

Korrektur
[GP,LA] Change button when music stops to play
[GP,LA] Fixing icon cordova build issue, adding test for Cordova load, adding FileAPI to Cordova
Merge pull request #5 from Gerii/master

[GP,LA] Doing some refactoring, getting environment up and running on LAs PC, adding File API to Cordova, fixing Cordova build, writing tests for Cordova
[LA,GP] {story}(small_update)adding some tags...