sending first emails
added registration subscriber
fix in subscribe
moved tagging in tagsubscriber
fixed class_implements Taggable
sending email from contacts form
added.composer.lock
Merge branch 'develop' into email-notification-system
fix acl
Merge pull request #61 from geekhub-php/email-notification-system

[WIP] Email notification system
fix Tag Subscriber
Merge branch 'develop' into user-profile-fixes