Auction Manager 0.9.15

We have made Auction Manager v0.9.15 available as an urgent release to fix a bug in the new Automated Sale Emails feature. It also includes some additional features. It is important that you update immediately.

Enhancements
- Combined the first and last name columns in the sales table into a single name column, and removed the alias column.
- Added company name to webshop orders table and webshop order dialog.
- Added cancel options to the dialogs in the send shipping email feature.
- Added a repeat count option to the automated sale emails, added some data validation and changed the description to the label in the table.
- Updated the software updater to use the new php file and improved code.
- Updated time strings in macros, quick info and the software updater dialog.

Bug Fix
- Fixed a bug that caused an index out of range exception in do_automated_sale_emails.
- Fixed bug in get_trademe_category_list if the document was null.