Merge remote branch 'origin/feature/6758_DataService'
Merge remote branch 'origin/feature/669_MaskBins_doc'
Merge remote branch 'origin/bugfix/6787_basisred_mask_fix'
Merge remote branch 'origin/bugfix/6786_basisred_norm_fix'
Fix GeneratePythonScript for Load algorithm  Refs #6812

It does not currently handle properties that don't exist when the algorithm is
initialized very well.
Merge branch 'bugfix/6812_fix_generatepythonscript' into develop