Added ClassCentralNotificationBundle
Added migration, entity, repository, mapping information for scheduler log table.
Updated composer dependencies so that it user a fork of php-resque.

php-resque v1.2 does not support changing the redis database when starting a worker via command line. Added support for that.
Removed the environment 'resque'

Since switching to a modified fork of php-resque allows to user different databases, no need for a separate environment
Added types and statuses for SchedulerLog