make it possible to filter all of edd_currency_filter's output.
Merge pull request #1477 from jdevalk/patch-1

Make it possible to filter all of edd_currency_filter's output.
Add 'None' option to Products drop down
Merge branch 'master' of github.com:easydigitaldownloads/Easy-Digital-Downloads
Fix for #1438
Merge pull request #1480 from ghost1227/bugs/1438

Fix for #1438
Formatting of register-settings
Fix bulk action delete when singular label has been changed
c
Add no_items() function
Fixed typo
fix typo
Add activate/deactivate bulk action options to Discounts. Closes #1387
Move delete to the bottom of bulk actions
Fix: typos
Merge pull request #1488 from sumobi/master

Fix: typos
Allow filtering of preview $message
Merge pull request #1489 from sumobi/master

Allow filtering of preview $message
Fix: typos
Merge pull request #1492 from sumobi/master

Fix: typos