Use controller to close announcements
Merge branch 'refs/heads/master' into dismiss

Conflicts:
	config/services.yml
	event/listener.php
Always set a cookie so it remains closed when users log out
Shorten array name for data from config_text
Update package headers
Merge branch 'refs/heads/master' into close-announcement
Merge branch 'refs/heads/master' into close-announcement
Update controller
Merge pull request #6 from VSEphpbb/close-announcement

Close announcement functionality