better (?) ZLImageProxy implemetation
Merge branch 'zlimage1' into beta-ics

Conflicts:
	src/org/geometerplus/fbreader/formats/external/PluginImage.java
Merge branch 'master' into ice-cream-sandwich
Merge branch 'master' into beta

Conflicts:
	src/org/geometerplus/fbreader/formats/external/PluginImage.java
Merge branch 'beta' into beta-ics
Merge branch 'ice-cream-sandwich' into beta-ics