Remove send_test_email query arg after sending
Merge pull request #1760 from ghost1227/issue/1704

Remove send_test_email query arg after sending
Use get_post_custom instead of multiple instances of get_post_meta for File Downloads log. #1678
Don't query userdata on File Downloads log. #1678
Remove term_exist() check when registering the log type taxonomy. #1678
Query the download files directly via  so that post meta cache doesn't get updated so many times. #1678
store each unique product's files in private array so each product only needs to have its files queried once. This cuts down on the number of queries performed when the logs view is showing multiple file downloads from the same product. #1678
Pass cart contens through array_values() to ensure index always starts at 0. Closes #1653
Strip edd_action download_id, and cart_key after adding and/or removing items from the cart and redirect back to same page. #1673
Merge master