Add new edd_version_upgraded_from option #1039
Add Upgraded From setting #1039
Capitalise #1039
Added Upgraded From to System Info
Don't add option on fresh install	 #1039
Update Persian localisation files
Added check
Merge branch 'master' of https://github.com/pippinsplugins/Easy-Digital-Downloads
Testing Travis
Cleaned up post type constant options
Cleaned up post type constant options
Improved formatting of scripts.php
Cleaned up formatting
Improved tax functions to use helper functions
Give parameters defaults so they don't throw errors when other devs use the post_class filter incorrectly
Replace global  calls with get_current_user_id()
Improved formatting of cart/actions
Simplified edd_get_cart_quantity()
Simplified edd_get_cart_item_quantity()
Remove cart fees during edd_empty_cart()