Updated WPeC to use WPSC_Countries, WPSC_Country, WPSC_Reagion and WPSC_Currency
Hidden input wpsc_ajax_action not being defined for all WPeC AJAX
Hidden feilds for wpsc_ajax_action added for update quantity ajax requests to be consistant with more recent code additions.  This means that all user interface ajax requests have the wpsc_ajax_action POST paramter defined.  Any conditional processing with the AJAX rougines based on this parameter will now happen consistantly.
For purchaselog, use get method not direct property access
Purchase log id must be accessed through the get method
Deprecated JS enquue dependent on main script
Added dependency
Track which location customer meta changes
What has changed is passed along so that loacation triggered updates can decide when to take action
Fix metadata notice in wpsc_product_image().  Fixes #983
Send property to filter so that hooks can select their option if selected