Initial Resque Mail Scheduler

* Add email field to Bakers
* Add resque-scheduler gem

* Create rake task to initialize the scheduler
  * make dynamic scheduler
  * make send cake email schedule
  * rake resque:setup_mailer

NB: needs redis installed

wget http://download.redis.io/redis-stable.tar.gz
tar xvzf redis-stable.tar.gz
cd redis-stable
make

**** NOT WORKING ****

usage as far as i can tell is

* Make sure redis server is started
  * src/redis-server
* Create schedule
  * rake resque:setup_mailer
* Start resque queue
  * QUEUE=low bin/rake resque:work
* Start scheduler
  * bin/rake resque:scheduler