Minor wording and translation fixes

Minor wording and translation fixes
#490. Fixed issue with wrong expiry time.
Merge branch 'master' of github.com:laterpay/laterpay-wordpress-plugin
Alignment fix

Minor alignment fix
#86 Dashboard styling
Merge branch 'master' into feature/86_sales_dashboard_tab

Conflicts:
	laterpay/application/Helper/Passes.php
#86 Restored background columns for conversion diagram

plus a few other visual details