Merge changes...
Merge changes I308cf44f,I21f8636e,I5214c5b0,I81b44928,I8725e566,I3ec7d13d,I3ec49f59,Ia1611a6a,I3f8a15de,I7e5e5ff8,Id2ef0453 * changes: Allow update of group note permissions (bug #736665) Show artefact owner when selecting html artefacts (bug #736665) When configuring a read-only textbox, allow copying (bug #736665) Display textbox notes as read-only in config form (bug #736665) Return sanitised copy of description from artefactchooser (bug #736665) Get editable status along with artefactchooser artefacts (bug #736665) Stop users from editing note text in the wrong context (bug #736665) Allow editing of a textbox block when artefact not found (bug #736665) User can_publish_artefact method too restrictive (bug #865911) Use artefact method to get user's edit/publish permissions Allow use of group_user_access when logged out