Initial version of notification added.
Merge remote-tracking branch 'origin/master' into email-is-sent-when-new-post-in-group

Conflicts:
	composer.json
	composer.lock
	src/Cobase/AppBundle/Controller/BaseController.php
	src/Cobase/AppBundle/Controller/GroupController.php
Removed invalid code (copy-paste from some other project)
Fixed invalid DI service settings. Now it is possible to select a group that you want to be notified of new posts (also unnotify feature)
Added app/data to ignore list
Added port to mailer
Travis CI was giving hard time
Added information about Twitter implementation
Added information about Twitter implementation
Direct to profile/edit
Added statistics
Changed method signature
Added PostEvent entity + migrations
renamed methods. Added newPostAdded() method
Show stats to admin users only
Added capistrano deployment scripts
Added registration confirmation
Merge pull request #137 from CoBase/email-verification

Added registration confirmation
Paramterized email from and name
Removed unneeded tests