refactor intervention builder controllers
[#782 state:resolved] reset all intervention menu docs when assigning recommended monitors
Merge branch 'rm_production' into wip-open

Conflicts:
	app/controllers/intervention_builder/categories_controller.rb
	app/controllers/intervention_builder/interventions_controller.rb
	app/controllers/intervention_builder/objectives_controller.rb
	app/controllers/intervention_builder/probes_controller.rb