CRM-12943 - Add CRM.Backbone.sync with qUnit tests

----------------------------------------
* CRM-12943: Make HTML prototype of job UI functional
  http://issues.civicrm.org/jira/browse/CRM-12943
CRM-12943 - Add support for "delete", incl test-case for "create+read+delete+read"

----------------------------------------
* CRM-12943: Make HTML prototype of job UI functional
  http://issues.civicrm.org/jira/browse/CRM-12943
Cleanup
CRM-12943: Cleanup
----------------------------------------
* CRM-12943
  http://issues.civicrm.org/jira/browse/CRM-12943
Merge pull request #1192 from totten/CRM-12943-persistence

CRM-12943 - Backbone.sync persistence using CRM.api