Merge remote branch 'origin/feature/7188_OptCrysPlacementImprove'
Merge remote-tracking branch 'origin/feature/7206_qtassistant_pre'
Refs #7227  Added code to return the "preprocessed" L0
Refs #7227  Doxygen ,documentation, and Cpp check changes

Couldn't find new ticket number for these
Merge branch 'bugfix/7227_SCDCalib_L0' into develop