immersive fullscreen mode for devices with android 4.4+
new versions: 1.9.3 & 2.0 beta 14
Merge branch 'master' into ice-cream-sandwich

Conflicts:
	AndroidManifest.xml
Merge branch 'master' into beta

Conflicts:
	AndroidManifest.xml
Merge branch 'beta' into beta-ics

Conflicts:
	AndroidManifest.xml
Merge branch 'ice-cream-sandwich' into beta-ics

Conflicts:
	AndroidManifest.xml
	src/org/geometerplus/android/fbreader/FBReader.java