synchronization with beta branch
cleanup
Merge branch 'master' into beta

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

Conflicts:
	src/org/geometerplus/android/fbreader/FBReader.java
Merge branch 'beta' into beta-ics
Merge branch 'master' into ice-cream-sandwich
Merge branch 'ice-cream-sandwich' into beta-ics
code simplification
Merge branch 'master' into beta
Merge branch 'master' into ice-cream-sandwich
Merge branch 'beta' into beta-ics
Merge branch 'ice-cream-sandwich' into beta-ics