Remove edd-upload-field class from settings callback
remove unnecessary
Fixes #2567
Add default value for notes field in customerds add() method. #2569
Mer`ge branch 'master' of github.com:easydigitaldownloads/Easy-Digital-Downloads
Merge pull request #2568 from easydigitaldownloads/issue/2567

Fixes #2567
Merge branch 'issue/2562' of github.com:ghost1227/Easy-Digital-Downloads into ghost1227-issue/2562
Merge branch 'ghost1227-issue/2562'
Merge branch 'master' of github.com:easydigitaldownloads/Easy-Digital-Downloads
Correct price display on checkout when taxes are enabled. #2571
Merge branch 'master' of github.com:easydigitaldownloads/Easy-Digital-Downloads
Check  for safe_mode before attempting to enable PHP Sessions> #2572
Simplify the checkout link in edd_get_purchase_link()
Simplify the add to cart links in edd_get_purchase_link()