Skip spectra that cannot be saved. Re #5705.
refs #8137. Skip tests if module import impossible.
refs #8137. No skipif decorator in python 2.6
Updated the geometry. refs #8181
Removed a level of hierarchy as schema wasn't happy.

refs #8181
Refs #5705 Catch relevant exception.
Added new mcstas loader. re #8194

Provided by Torben Nielsen. Here modified to adjust names of workspaces added to workspace group
Merge branch 'origin/master' into feature/8194_mcstas. re #8194

Conflicts:
	Code/Mantid/Framework/DataHandling/CMakeLists.txt
	Code/Mantid/scripts/test/ConfigTest.py
Torben update to wiki. re #8194
Merge branch 'feature/8194_mcstas' into develop