WooCommerce Points and Rewards 1.8.0

* Fix - Gateways like PayPal which puts order in pending before IPN process was not redeeming points.

* Fix - When order status is not processing or completed, redeemed points are not deducted.
* Fix - Points earned field setting were not saving when product is of type composite.
* Update - Show customer/user account emails on both manage points table and points log table.

* Fix - Error when setting category level points setting on cart/checkout.
* Fix - Points are being added back to the account after redemption.
* Fix - Move the "Earn points" message right above the cart form.
* Fix - Update for WooCommerce 3.0 compatibility.
* Fix - PHP notices when activating plugin.