Merge remote-tracking branch 'origin/feature/6763_signature'
Merge remote-tracking branch 'origin/feature/6784_allow_create'
Merge remote branch 'origin/master' into feature/6630_launch_qtassistant

Conflicts:
	Code/Mantid/Build/wiki_tools.py
Re #6630. Merging master onto the branch because of a conflict other
people have had.
Re #6630. Fixing things up due to changes in master.
Merge branch 'feature/6630_launch_qtassistant' into develop

Re #6630

Conflicts:
	Code/Mantid/Build/wiki_tools.py