Events and listeners for subscriptions
Added logic for postpublishedlistener. Still need to write e-mail templates
Removed user config
Merge branch 'master' into feature/subscribe

Conflicts:
	src/Casserole/BlogBundle/Resources/config/services.yml
Added command to raise events when needed
Command cleaned up
Better feedback from command
Fixed service definition
Disabling oneLocale in command
Made subscription an entity
Added missing class reference
Merge branch 'feature/subscribe' into develop