refactoring addSubjects to the service
fixing group checkbox load bug, disabling social on dev.
group loading and saving is working.
fixed a bug where there were multiple requests.
prevent page scroll on update
added busy hours persistence upon schedule change
url synchronization on busy hours
busy saving and loading is working.
moving pageSize to the controller, adding active to url
deleting console.log
Merge remote-tracking branch 'origin/development'