NetworkImage logic simplified
cookie db initialisation
NetworkImage logic simplified
cookie db initialisation

Conflicts:
	src/org/geometerplus/android/fbreader/network/BookDownloaderService.java
Merge branch 'master' into ice-cream-sandwich
Merge branch 'ice-cream-sandwich' into yota2
Merge branch 'yota2' into kindle
separate instance for Notifier
synchronisation with master branch
Merge branch 'master' into ice-cream-sandwich

Conflicts:
	src/org/geometerplus/android/fbreader/FBReader.java
Merge branch 'ice-cream-sandwich' into yota2
Merge branch 'yota2' into kindle
cover icon in missing book notification
Merge branch 'ice-cream-sandwich' into yota2
Merge branch 'yota2' into kindle
code simplification + unique notification per download url
Merge branch 'master' into ice-cream-sandwich
Merge branch 'ice-cream-sandwich' into yota2
Merge branch 'yota2' into kindle
better download book notification