Merge pull request #1 from gentakojima/master

Update
Decoupled Service-Activity-Notification Manager
Notifications now listens for events.
The notification now send the intent to the service.
Existing notifications are updated on NowPlayingInfo change.
Now uses OkHttp library (https://github.com/square/okhttp) to connect to
remote server. Avoids connection problems with several Android versions.
Notification Manager is now fully self-managed.
Several bugfixes. Now everything seems to work ok.
Decoupled DownloadCurrentInfo Timer.
Minor bugfixes.
Merge pull request #14 from berfenger/master

Get code from Berfenger