fix bug in notify observer properies
specs for recipient controller and notify event controller
Merge branch 'model_layer' of https://github.com/SS-IT-Academy/EasyWay into model_layer

Conflicts:
	app/controllers/notify_events_controller.rb
	app/controllers/notify_observer_properties_controller.rb
	db/development.sqlite3
	spec/controllers/notify_events_controller_spec.rb
modify gitignore