refs #6667 Modified getNeutronAtom without exceptions to be really

without exceptions

As it is impossible to start Mantid in Debug mode as it throws thousand exceptions which are then catched, analyzed, reported and one has to wait for 1 min to start trivial program
refs #6667 Presumably created hardMaskOnly mode in diagnose

removed couple of small test clauses.
refs #6667 Better defined overloaded properties
refs #6667 Checkpoint.

Trying to reduce monovanadium and it does not work.
refs #6667 Hard Mask only works
refs #6667 Implemented default relative mono-vanadium integration

range. There are doubts on if it is correct implementation as seems it was used for different energy ranges. But let's do something and see.