Removing Codesniffer from composer
Removing Urlizer helper
Merging UnsubscribeController and SubscribeController
Refactoring CampaignForm
Removing unused MailThrottle property
Renaming id properties of entities to entityId
Codestyle refactoring of RedisCache
Enhancing subscribe and unsubscribe input filters
Minor change of Message input filter
Fixing forms and input filters after renaming entity ids
Fixing unsubscribe form view