Fix for lex tags interpretting 0 as false for cart total items.
Currency fix
Fix order breadcrumbs
Fixed single order breadcrumb
Added ability to skip checkout after insert

When posting to cart/insert set the btnAction to buy
Added new setting for products
Updated headers
Currency options are now done by id, 1 should be default on install
Merging dispatch notes into the core
Fixed duplicate cart items, closes #345
Updated dispatch notes
Shipping method validation
valid shipping & gateway in view
Updated products model comments and classes
Merge branch '1.2/develop' of https://github.com/firesale/firesale into 1.2/develop
Updated dispatch notes to remove code editing
Added button build event to orders
Added button build even to products
Fix address breadcrumbs & titles
Updated stats tracking and fixed curl errors