Merge remote-tracking branch 'origin/feature/10606_indirect_transmission_support_basis'
Merge remote-tracking branch 'origin/feature/9917_Peter_Parkers_missing_usage_examples'
Merge remote-tracking branch 'origin/feature/10665_ESS_splash_screen_and_help_about'
Merge remote-tracking branch 'origin/feature/9790_update_doc_for_EnginXFitPeaks'
Merge remote-tracking branch 'origin/feature/10382_symmetrise_testing'
Merge remote-tracking branch 'origin/feature/9840_reflectometryreductionone_polarizationcorrection'
Merge remote-tracking branch 'origin/feature/9856_getdetoffsets_minor_mod'
re #10666 initial graphics checkin
re #10666 Improvments ready for test
Merge branch 'feature/10666_Improve_first_time_dialog' into develop