do not upload files > 20Mb
select account and authenticate in preferences activity
Merge branch 'yota2' into kindle

Conflicts:
	src/org/geometerplus/android/fbreader/network/auth/AndroidNetworkContext.java
do not upload files > 20Mb
select account and authenticate in preferences activity
Merge branch 'master' into ice-cream-sandwich
Merge branch 'ice-cream-sandwich' into yota2
Merge branch 'yota2' into kindle