Upgraded to v2.0 of REST module
Removed resource controllers except for main CashierResourceController
Updated resource locations to /rest/v2/cashier/<resource_name>
Added SearchHandlers for Item and Timesheet custom searches
Fixed some issues with the cashier page
Added comment about how the order of the rounding item is determined
Merge branch 'release/v1.5.0' into develop
Move the default way to display errors into the generic view.
Merge branch 'feature/rest2.x' into develop