Issue #2371713: Add support for the creation of one-off actions
Merge branch 'Issue-2372769' into develop
Issue #2371713 follow-up: Reverse the meaning of the checkbox for better usability
Issue #2374877 by eshta: Clear visitor action cache when an action is deleted.
Merge branch 'Issue-2374865' into develop

Conflicts:
	tests/visitor_actions.test
Merge branch 'Issue-2375455' into develop
Issue #2371713 follow-up: change the wording on the checkbox
Merge branch 'Issue-2380005' into RC
Merge branch 'RC' into 7.x-1.x