removed WallHelper dependency from WallNotificationEntity
cleaned up WallNotificationEntity a little bit, added there more PHPDoc and comments; fixed typo in comment in WallNotifications and added there more comments
luckly found it before it gets to prod
fixed typos after clean up
renamed WallNotificationEntity class to BaseNotificationEntity; cleaned up BaseNotificationEntity::loadDataFromRev and added new hook at the end of it
almost forgot >.<
first try of using decorator for BaseNotificationEntity
clean up and fixing notifications with decoratos so all automation tests for it pass
fixed unit tests for WallNotifications
clean up
removed NotificationEntityDecorator because BaseNotificationEntity is good enough
Merge pull request #1302 from Wikia/DAR-1539

DAR-1539 Remove wall dependencies from notifications