making the update price code point to our implementation for usage with other plugins
Update JS to latest in Spree to fix adding products to orders.
prevents a possible double-add of line items from admin/orders/new.  removes spree's click handler before providing a replacement for adding a new line item
Merge pull request #2 from jsqu99/change_generator

prevents a possible double-add of line items from admin/orders/new.  rem...
Merge branch 'spree-1-2-stable' of github.com:hectorvs/spree_flexi_variants into spree-1-2-stable