Talkie: Upgrade to latest SDK
Talkie: Remove old icons and add version specific icons
android-daemon: Implement service looper the same way as in IntentService
Talkie: Handset renamed to Headset
Talkie: Basic headset service added
Talkie: Listen to media buttons in head-set mode
Talkie: Add auto-play lock to headset mode
Talkie: RecorderService is now controlled via Intents

Recorder state and Indicator updates are announces via Intents.
Talkie: Request AudioFocus while recording
Talkie: Remove MUSIC audio channel and use VOICE channel only
Talkie: Add AudioFocus for playback
Talkie: Fix dead-lock when recording while receiving new messages
Talkie: Start bluetooth headset connection in head-set mode
Talkie: Enable/disable speaker without/with headset
Talkie: Fix button is not red in PTT recording state

This fix makes the indicator layer invisible while recording in PTT mode.
Talkie: Moved auto-rec via sensor from RecordingFragment to TalkieActivity
Talkie: Re-design of the SoundFXManager

Recording sound are no longer played by the RecorderService. Instead
the GUI element (TalkieDialog, RecordingFragment, HeadsetService) is
playing start/stop beacons.
Talkie: Add support for standard headset button
Talkie: Do not react to media buttons if phone is in-call state
ibrcommon: Fix build agains libnl 3.2.21

The processing of nl_object was using private methods. Now dedicated
API methods are used instead.