android-daemon: Add Wi-Fi P2P extensions
Preferences für P2P
Ibrdtn funktioniert jetzt über P2p
Merge remote-tracking branch 'origin/master' into freytag/master

Conflicts:
	android/ibrdtn/AndroidManifest.xml
	android/ibrdtn/src/de/tubs/ibr/dtn/service/DaemonService.java
Feature merge: Wi-Fi Peer-to-Peer support for Android

This extension is written by Hendrik Freytag and adds support
for Wi-Fi Peer-to-Peer extension to the Android daemon.
android-daemon: Resolved generic imports to specific ones
android-daemon: Wi-Fi Peer-to-Peer extension

More energy-scheduling schemes added.
Overall code clean-up.
android-daemon: Wi-Fi direct preferences renamed
android-daemon: Deprecated P2P method removed
android-daemon: Set default value for P2P strategy
android-daemon: "Hello" element in P2P database view removed
android-daemon: Title of P2P preferences fixed
android-daemon: Useless permission removed and hardware feature added
android-daemon: Integrated WiFiP2pReceiver into P2PManager
android-daemon: WiFiP2P4IbrDtnService renamed to WifiP2pService
android-daemon: WifiP2pService moved
android-daemon: P2PManager renamed (camel-case fixed)
android-daemon: Merged AlarmReceiver into SchedulerService
android-daemon: P2P SchedulerService restructured
android-daemon: Rewrite of the P2P peer database and view