Removed qpaintdevice.h

Change-Id: I6be00e927cf8fa9097263ccc97bed48465090d73
Removed qpushbutton.h

Change-Id: I6cc81c0b76baaa5e06bf8d777a3b5603a652e613
Removed qradiobutton.h

Change-Id: Ifab34ddd98956415dc46fff15a37f86c1321d5b9
Removed qrangecontrol.h

Change-Id: I4692f41b0b13a21f24c232736d02deda17ef344f
Merge ld:/home/gelma/dev/prg/for_riccardo/slot2 into for_riccardo