Rair hangs on library installation fixed.

made it to give more verbose errors when arguments of wrong types are passed, added setters with types (e.g. setInt, etc)

Conflicts:
	modules/core/include/opencv2/core/version.hpp

Frame format setter added to both views.

Old Android support added;
Android 4.1.x fixes added;
Thead sync added;
Camera errors handling added.