States for the campaign and tests.
Style fixes
Fix style
Fixed new states for campaigns.
Merge branch 'master' into campaign-status
Merge branch 'master' of https://github.com/ITBA/donar into campaign-status
Fixes in Milestones changed percentage for amount and state transitions of a campaign
Fixed some repeated tests
Merge branch 'campaign-status'

Conflicts:
	app/admin/campaign.rb
	config/locales/en.active_record.yml
	config/locales/es.active_record.yml
	db/helpers/campaigns_creation_helper.rb