It's still not compiling but Need to share branch so commit it

 * Maxipix and Frelon as well provide HwShutterObj
 * CtShutter class provide hasCapability() method for top control
 * LimaCCD Tango class provides attributes for shutter control.

Conflicts:
	control/include/CtControl.h
	control/src/CtControl.cpp
	control/src/Makefile

* Improved Frelon::Camera shutter exception messages

-> remove commented code into MaxipixReconstruction
-> 4 CtAccumulation get the buffer size from CtBuffer->getNumber

* Implemented SIP retrieval of HwShutterCtrlObj from HwInterface

  updated Simulator, Focla, Frelon and Maxipix
* Added HwShutterCtrlObj::checkMode
* Implemented Frelon::ShutterCtrlObj using Camera::set/getShutMode