Merge pull request #87 from blkmutt/master

Fixed UI on Payments Page
Working on pro plan
Working on pro plan
Adding php-payments library code
Adding php-payments library code
Working on pro plan
Updated validation to fail if values are all asterisks.
Merge branch 'master' of https://github.com/hillelcoren/invoice-ninja
Received PHP-Payments directory from parent.
Updated validation to avoid saving masked fields.