refs #6856 Copied ConvertToDiffractionMDWorkspace.cpp

into MD algorithms
refs #6856 Cloned initial algorithm into version 2

and verified that everything (unit tests) works fine, so we have two identical versions of the same algorithm with only the version number different
refs #6856 Compiles but does not work
refs #6856 All works except single event per bin
refs #6856 Disable missing properties on interface and some comments
refs #6856 minor comments
refs #6856 minor warning ans suspicions for merge error
refs #6856 Minor commits, and digging for merge conflict source
refs #6856 Enabling last disabled unit test
refs #6856 doxygen errors
refs #6856 more comments
refs #6865 merge with develop and resolve conflicts (again)

Merge branch 'feature/6856_ConvertToDiffractionMDWS_v2' into develop

Conflicts:
	Code/Mantid/Framework/MDAlgorithms/src/ConvertToMD.cpp