* [Code Cleanup] Fixed the extra HTTP requests made by jQuery looking for an HTML5 Javascript .map file.
* [Support Center] Fixed a PHP notice when Support Center contact forms were submitted with no attachments.  This had to do with the switch to HTML5 multiple file uploads.
* [Support Center] Fixed an issue when tickets were created from Support Center contact forms with custom fields from fieldsets, and the fieldsets weren't being linked to the ticket.
6.6.1-checkpoint
Merge branch '6.6.1' into stable