MarketPress 2.8 Beta

Ok guys, it's taken long enough for this. We have a HUGE update to MarketPress for you to try!

Lots of bugfixes, but most importantly try out the new features, these check off some of your most requested items:
- Added built in grid views!
- Add in AJAX dropdown category and order filters to listings pages
- Add optional breadcrumbs to checkout process steps
- Added ability to trash/delete orders and adjusts stock counts accordingly
- Add featured image import support to the CSV importer
- Add a "clone product" functionality

Let me know if you run into any issues, I really want to release this week!

Here is the full changelog:
- Added built in grid views!
- Add in AJAX dropdown category and order filters to listings pages
- Add optional breadcrumbs to checkout process steps
- Add default product images
- Added ability to trash/delete orders and adjusts stock counts accordingly
- Add featured image import support to the CSV importer
- Add a "clone product" functionality
- Add hooks for custom shipping methods and tracking links
- Forced shipping option recalculation when Country changes.
- Fix bug with product list widget when ordering by price or sales
- Fix missing closing tag in global widget breaking drag and drop
- Fix shipping settings save filter for method plugins
- Error check in Manual Payments gateway: https://premium.wpmudev.org/forums/topic/bug-with-manual-payment
- Fixed 10525 Paypal errors in global cart checkouts
- Change the "from" price shown on variation listings to the lowest
- Change PayPal generated timestamps for server timezone support
- Fix double trigger of 'mp_order_paid' hook
- Added APO state codes to the marketpress-data.php so addresses can make it past PayPal's address checker,
- Use "APO", "FPO" or "DPO" for the City and 10 digit Zip code.
- Sorted USPS shipping choices in Ascending order so that the lowest price will be the default.
- Changed the Shipping sub options <select> to a select box instead of a dropdown.
- Other minor bug/notice fixes