#2585 - Initial pass at allowing price_id in the purchase links
Removing 'checked' from hidden input
#2585 - adding price_id to the edd_price shortcode
#2585 - Fixing undefined variable error and adding unit test for edd_price
#2585 - Making variable price JS logic more isolated
#2585 - Using build in lowest price function
Merge branch 'release/2.2' into issue/2585
Merge branch 'release/2.2' into issue/2585
Merge branch 'issue/2585' into release/2.2