Merge pull request #332 from colemanw/payprocc3

CRM/Contact/Form/Search/Custom/MultipleValues.php

CRM/Contribute/Form/Contribution/Main.php

CRM/Contribute/Form/UpdateBilling.php

CRM/Core/Form.php

CRM/Core/Payment/Form.php

CRM/Event/Cart/Form/Checkout/Payment.php

CRM/Event/Form/Participant.php

CRM/Event/Form/Registration/AdditionalParticipant.php

CRM/Event/Form/Registration/Register.php

CRM/Member/Form/Membership.php

templates/CRM/Event/Form/Registration/Register.tpl