Re #9179 Modified simulation
Re #9179 First cut USANS reduction algorithm
Merge remote branch 'origin/master' into 9179_fixup

Re #9179

Conflicts:
	Code/Mantid/Framework/PythonInterface/plugins/algorithms/USANSSimulation.py
Re #9179 Put peak def in geometry
Re #9179 update geometry
Merge branch 'feature/9179_usans_reduction_algorithm' into develop