Merge remote-tracking branch 'origin/feature/8700_muon_seq_fit_loaded_ws'
Merge remote-tracking branch 'origin/feature/8732_wiki_docs'
Refs #8560. Merge remote-tracking branch 'origin/master' into feature/8560_Refl_gui_RB_functionality
Refs #8560. Fixed statusbar messages

Discovered that the messages in the statusbar would dissapear when opening a menu. This was because of the temporary messages is was using.

The statusbar now has a standard message "Ready" and only uses temporary messages for the search notification.
Refs #* develop. Merge branch 'feature/8560_Refl_gui_RB_functionality' into develop