finally removed deputy #335
Merge remote-tracking branch 'origin/develop' into feature/remove-deputy
corrected comments of former deputy
removed whitespace in employer factory
removed double negative
Merge branch 'feature/remove-deputy' of https://github.com/tkowark/hpi-hiwi-portal into feature/remove-deputy
Merge remote-tracking branch 'origin/develop' into feature/remove-deputy

Conflicts:
	app/controllers/employers_controller.rb
	app/controllers/job_offers_controller.rb
	app/models/ability.rb
	spec/controllers/job_offers_controller_spec.rb
	spec/features/job_offer_pages_spec.rb
Merge pull request #402 from hpi-swt2/feature/remove-deputy

Feature/remove deputy