Refactor getNameById to use mongo db's $in instead of parallel and use a new generic method in Handler.coffee
Add system names into delta messages
Merge branch 'RefactorAndDeltaSystemNaming' of https://github.com/dpen2000/codecombat into dpen2000-RefactorAndDeltaSystemNaming
Migrated to the new email system, along with a setting for recruit notifications.
Merge branch 'master' into production