Update checkout_express.html
removing $
Merge pull request #58 from scottsousa/dev

Remove check for theme e-mail templates on email
Fixed bug where links in the email_header.html and email_footer.html templates were not being converted to true links.
Readme
Fixed loading of local (in the paid-memberships-pro/languages directory) translation files.
Version change to 1.7.2.1
Fixed sales report to not show $ when hovering over bars for "sales" vs. "revenue".
Fixed notice in getfile.php
Fixed notices and expiration dates in login report.
Fixed notices in includes/notifications.php (Thanks, Nilesh)
Notification was set to run on every settings page load for debugging. Turned that off.
Merge remote-tracking branch 'upstream/dev' into dev