synchronization with beta branch
Merge branch 'master' into ice-cream-sandwich
menu data list implementation
node set implementation
Merge branch 'master' into ice-cream-sandwich

Conflicts:
	src/org/geometerplus/android/fbreader/MenuData.java
synchronization with beta branch
Merge branch 'master' into ice-cream-sandwich

Conflicts:
	src/org/geometerplus/android/fbreader/FBReader.java
subMenu => submenu
Merge branch 'master' into ice-cream-sandwich

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