Add audio files
Create NotificationSounds service
Add NotificationSounds service to app config
Fix playing sounds
Add playing sound on objective failed
Add playing sound on objective success
minor refactoring to which sound to play, and when to play it.
Merge pull request #123 from IanMayo/feature/eugene/notification-sounds

Notification sounds
Remove old plugins ver from new cordova build
Recompile Android/iOS apps with ne cordova 3.6
Merge pull request #124 from IanMayo/feature/alex/update-cordova-3.6

Update cordova apps to the 3.6
Update README.md
Update README.md a bit again
Merge pull request #125 from IanMayo/add-on/alex/update-readme

Update README.md
Add html audio support
Merge pull request #126 from IanMayo/feature/eugene/html-audio-notification-sounds

Add html audio support
Merge branch 'master' into feature/ian/mission_updates