Update notes for submitted changes

* make page sizes configurable in @json_collection
* ported system commands tab to Backbone
* modal for renaming systems
* make system.fqdn unique
* wire up access policy widget with the rest of the system page
* Request loan and Report problem buttons in system quick info
* use Growl-like notifications to indicate successful provision
* request user confirmation before provisioning
* Take and Return buttons in system quick info
* Provision tab on system page now always provisions directly
* added "Reserve time" field to Reserve Workflow
* ported Reserve Workflow to Backbone, merged into a single page
* use Backgrid for system activity grid