Add product notes and payment_id #810

Add product_notes and payment_id to email template.
Add additional template tags & re-order

Re-order tags to match order in settings list.
Add full name, username and payment_id to template tags.
Add payment_id to list of template tags
Remove proudct_notes
Merge pull request #813 from sunnyratilal/master

Fixed CSS Bug with Purchase Button
Added products notes to [edd_receipt]. Closes #666
Corrected Brazilian Currency sign
Added dynamic content tag for WP Super Cache. Closes #753
Improved web_accept processing
Added new edd_process_paypal_refund() for catching PayPal refunds. Closes #146
Removed jQuery Validation
Started v1.4.3 changelog
Merge pull request #811 from elliott-stocks/patch-1

Fix #810 ,add additional template tags to email template
Fixed {payment_id} tag. #810
Made the customer reports table more extensible
Fixed syntax error
Fix undefined index and added user ID to columns
Simplified labels