basic actions, methods and models
prolong requestable actions and model
Merge branch 'develop' into feature/timelimit
renaming of company forms
Merge branch 'develop' into feature/timelimit
basic prolongation logic
emails and translations for prolongation flow
task to check for expiring and expired job offers
whenever task added for deployment
translations and other small fixes
Merge branch 'develop' into feature/timelimit

Conflicts:
	app/models/ability.rb
	app/models/job_offer.rb
	db/schema.rb
	spec/features/job_offer_flow_spec.rb
job status test fixes
Merge branch 'develop' into feature/timelimit

Conflicts:
	app/views/job_offers/show.html.erb
	spec/features/job_offers_spec.rb
Merge pull request #426 from hpi-swt2/feature/timelimit

Feature/timelimit