MAGENTO-561

removed old is_ca_legal variable since we use the is_ca_legal_r2
attribute now instead.
Merge branch 'atwix_hotfix/authnet_request_uri'
Merge branch 'atwix_feature/sales_orders_grid'
Merge branch 'atwix_feature/sales_orders_grid'
Fix filter indexes for feedpayment columns in orders grid
Fix filter indexes for feedpayment columns in orders grid
Merge branch 'atwix_feature/sales_orders_grid'
Move sessions to db
Prevent sending emails to the new customers for nazdaq feed extension (MAGENTO-527)
Merge branch 'atwix_hotfix/nazdaq_emails' into atwix