create cover service connections by request only
synchronization with beta branch
Merge branch 'master' into beta

Conflicts:
	src/org/geometerplus/android/fbreader/util/AndroidImageSynchronizer.java
cleanup: unused method
synchronization with beta branch
Merge branch 'master' into beta

Conflicts:
	src/org/geometerplus/android/fbreader/formatPlugin/PluginUtil.java