Add edd_is_success_page()
Merge pull request #2221 from leewillis77/is_success_page

Add edd_is_success_page()
:qwerge branch 'master' into release/2.0
Toggle the description shown for the discount amount based on the type of discount selected. #2181
Correct Purchased Files merge
Add copy downliad URL link
First pass at providing method to copy a file download link. #2165
set file download limit override when generating links. #2165
Account for files that have multiple files. #2165