User Registration WooCommerce 1.5.6

* Feature - Added smart phone number in billing phone number.
* Enhance - File upload field sync on Product Page.
* Enhance - Addon dependency on User Registration Pro.
* Tweak - Addon update check triggered from User Registration Pro.
* Tweak - Error message consistent with User Registration and Woocommerce.
* Fix - WooCommerce my account edit profile sync.
* Fix - Fatal error when woocommerce session not set
* Fix - Backend and Frontend Validation on synced fields on Product Page.

* Fix - Billing Address and Shipping Address not saved.
* Fix - WooCommerce Memberships undefined function error.
* Fix - Add user with customer role to customer list of WooCommerce.
* Fix - Placeholder not working in country state of billing and shiping.
* Fix - Backend validation not working on Invite Codes fields on product page.
* Fix - Country and file upload field not working in woocommerce checkout page.

1.5.1