Adds Data backed table screen
Adds CDQ

  * This required having the ext.rb file to be split up because when cdq
    was included, we were then compiling the RedPotion extension for RMQ
    before the RMQ version (thus RMQ was overwriting our rmq_build
    method
Update data table sample to use a CDQ based model
Merge pull request #29 from squidpunch/add-data-table-screen

Add data table screen