First pass at fixing issue where subtotals erroneously include discounted amounts. #2620
Correct amounts sent to PayPal after modifying subtotals. #2620
Remove print_r for debugging> #2620
New comprehensivwe unit test for edd_get_cart_content_details() and #2620
Don't allow item amounts to be less than 0 when going to PayPal. #2693
Version bump and changelog for 2.1.5
Compress js/css for 2.1.5
Merge branch 'issue/2620'