new method will be used in PDF plugin
a rollback: existing method is good enough
Merge branch 'master' into beta
simplified API: ApiObject.Float class has gone
synchronization with beta branch
Merge branch 'master' into beta

Conflicts:
	src/org/geometerplus/android/fbreader/api/ApiMethods.java
	src/org/geometerplus/android/fbreader/api/ApiServerImplementation.java
formatting