* Feature - ability to set the colour theme of the register.
* Tweaks - decimal unit rules applied to tender box.
* Tweaks - user roles have been renamed, more info in docs.
* Misc - German localisation added.
* Tweak - WC 4.0 compatibility.
* Feature - support WooCommerce Sequential Order Numbers by SkyVerge.
* Tweak - option to print refund receipt.
* Fix - refunding orders with product stock at 0 was not working.
* Fix - refunding orders and not restoring stock was not working.
* Fix - holding orders final panel would not dismiss.
* Fix - country would not appear in outlet page.
* Fix - opening float amount only appears if note was left.
