feat(desks): Implemented editing desk stages.

SD-726
feat(users): add enable/disable user feature

SD-792 SD-818 SD-676 SD-677
fix(apiary): let apiary mock url editable via env

there is no more public api mock. you have to set a private one via env.
feat(task): editing of a task

Remove tasks specific code into separate module
Enable title and description editing

SD-845

lint fix
Merge remote-tracking branch 'ozan/stage-edit' into devel
Merge remote-tracking branch 'nikola/edit-tasks' into devel

Conflicts:
	app/index.html