Refs #5421 Swapped order of amplitude and width in the workspace.

Also refactored the way the output workspace is generated.
Merge branch 'feature/7965_update_QLines_ws_format' of github.com:mantidproject/mantid into feature/7965_update_QLines_ws_format

Refs #5421

Conflicts:
	Code/Mantid/scripts/Inelastic/IndirectBayes.py