Merge remote-tracking branch 'origin/feature/8669_addsamplelog_int_properties'
Merge remote branch 'origin/feature/8676_loadprenexus_4dat'
Merge remote-tracking branch 'origin/feature/8686_mantidplot_returns'
Merge remote-tracking branch 'origin/feature/8403_output_table_ws_optional'
Fix bold and italic in offline help. Refs #8688
Merge branch 'feature/8688_offline_help_quotes' into develop