Merge remote-tracking branch 'origin/feature/8683_fix_doxygen'
Merge remote-tracking branch 'origin/feature/8633_Refl_gui_new_save_window'
Merge remote-tracking branch 'origin/feature/8400_remove_convert_fullprof_to_xml'
Refs #* (no branch, rebasing master). Refs #* master. Merge remote-tracking branch 'origin/feature/8643_quick_pol_corr'
Merge remote-tracking branch 'origin/feature/8654_ReduceSCD_duplication'
Re #8686. Added real filename and line number when emitting errors.

Required a small refactor of the code. Hopefully the additional
comments help out.
Merge branch 'feature/8686_mantidplot_returns' into develop