Merge pull request #1494 from fxbenard/master

[i18n]> french updates and pot update (with makepot.php)
Pass  to the post thumbnail on checkout
Undo  in cart thumbnail
Fix error with not showing first price options on purchase receipt. Closes #1497
Issue #1456 - Bringing e234fcb up to date
Merge pull request #1499 from ghost1227/bugs/1456

Issue #1456 - Bringing e234fcb up to date
Make edd_checkout_table_body_ hooks consistent, and more usable.
Merge pull request #1500 from spencerfinnell/master

Make edd_checkout_table_body_ hooks consistent, and more usable.
Fix missing $ in tax functions
Filter to disable purchase receipts
Added brackets for consistency
use edd_get_payment_amount() in payment export
Fix typo
Removed additional parameter from main function
Merge pull request #1503 from sumobi/master

Filter to disable purchase receipts
Fix unnecesary meta save. Closes #1495
remove whitespace
Add new edd_pre_update_user_profile hook for profile update. #1504
Don't allow a profile update to use the email of another user. #1504
Fix lighttpd file download issue. Closes #1507