refs #9778 Helper method to get normalization workspace from the alg:

NormaliseToMonitor

Conflicts:
	Code/Mantid/scripts/Inelastic/DirectEnergyConversion.py
refs #9769 unit tests for the changes
refs #9778 missing changes lost extracting code changes from #9769
Merge branch 'master' into feature/9778_normToMonitorReturns
Merge branch 'master' into feature/9778_normToMonitorReturns
refs #9778 Changed NormaliseToMonitor according to tester's suggestion

and added the check that the names of the target workspace and the normalization workspace are different.
refs #9778 Added more tests to verify return normalization option
Merge branch 'master' into feature/9778_normToMonitorReturns
Merge remote-tracking branch 'origin/feature/9778_normToMonitorReturns'