Made reconstruction optional by flag in MpxAcq() ctor:
 * added a HwReconstruction capability
 * refactored MpxAcq.py, no longer create a CtControl object
 * updated Interface class with a new methode setReconstructionTask()
Merge commit '89be7b70dffe55968bccad34557c56bb10cd5a14'

Conflicts:
	python/MpxAcq.py