refs #9799 Initial changes to IntegrateEllipsoids
refs #9799 Integrate peaks V1 and V2
refs #9799 running FindPeaksMD-v1.rst

it is long but let it run for now.
refs #9799 CentroidPeaksMD and the disabling test in FindPeaksMD
refs #9799 Cross references fixed
refs #9799 syntax error in properties
refs #9799 resolving conflicts with master

Merge branch 'master' into feature/9799_SphinxDocs

Conflicts:
	Code/Mantid/docs/source/algorithms/GroupDetectors-v2.rst
	Code/Mantid/docs/source/algorithms/LoadDetectorInfo-v1.rst
	Code/Mantid/docs/source/algorithms/OneStepMDEW-v1.rst
	Code/Mantid/docs/source/algorithms/SofQW2-v1.rst
	Code/Mantid/docs/source/algorithms/SofQW3-v1.rst
refs #9799 removed references to MDTransfFactory page from properties
refs #9799 Trying to fix warning 8
refs #9799 Fixing links in ConvertToMD
refs #9799 More comments to the code, which has not been executed.

+ minor changes to convertToMD
refs #977 Par and Phx descriptions reformatted as a tables.
Merge remote-tracking branch 'origin/feature/9799_SphinxDocs'