APIModelObject interface
- Add url_create,url_update,url_update_for
- Rename url_object_forandurl_objecttourl_read_forandurl_read
- 
get_by_apipkandfrom_APIreturn the jQuery Ajax object. Allowing easier callbacks management and more.
Misc
- Clean buttons code on account and checkout
- Merge CheckoutRead and kpsul_checkout_data views (CheckoutRead won)
