Merge branch 'feature/10215_clean_indirect_diffraction_ui' into feature/10323_vesuvio_diffraction

refs #10323
Modified existing MSGDiffRed algorith for Vesuvio

Refs #10323
Corrected naming, do not sum when only one file given

Refs #10323
Added more realistic monitor data to IPF

Refs #10323
Added option to plot contour when using ind. groups

Disable individual grouping for OSIRIS diffonly

Refs #10323
Merge branch 'feature/10323_vesuvio_diffraction' into develop