Shipping same as billing, and update of checkout page shipping fixes
Updates customer meta via as user enters data
Rmeoved excess whitespace, invalid hook calls
Fixed undefeined variable warning
fix shipping state visibility on page refresh
complete customer meta key audit
Visitor meta key consistancy updates
Fix string substitution error in item id
changed selector for meta items to be fully inclusive
fix bug in region name
added filter for ajax checkout information
changed order checkout data is applied in ajax response,  element replacement happens first so that values that are set have the elements that they apply to in the DOM
coding standard updates
removed bind/unbind, replaced with on/off
Changed console log to be more verbose
removed commented out code
aligned assignment statements
changed wpsc_clear_cart_shipping_info to wpsc_cart_clear_shipping_info
Changed function name to wpsc_cart_need_to_recompute_shipping_quotes()
Moved deprecated js to seperate file that is conditionally loded on WPEC_LOAD_DEPRECATED
CHanged from jauery.ajax to jquery.post
changes "metas" to "meta"
Standardized format of data in ajax response
Use wp_send_json_success to create ajax responses
updated js to handle revised structure of responses
added some more detail to deprecated message