rpx 7.x-2.1-beta2

New since version 2.0

Issue #1197208 by geokat: Fixed bug that caused sign-up errors when no Profile2 types were added to the user_register form.
Issue by geoka: Fixed bug which caused 'table already exists' errors when upgrading from 6.x-2.x to 7.x-2.x.
Issue #1178268 by geoka: Added streamlined module endpoint customization by removing unneeded RPXNOW.token_url initialization in rpx_js().
Issue #1171520 by geokat: Fixed a bug that disrupted Engage sign-in flow when provider returned no email address.
Issue #1135874 by geokat: Changed implemented integration with Captcha and Mollom.
Issue #1147400 by geokat: Added 3rd party data synchronization at user signups/signins (in addition to that performed at account linking.)
Issue #1154484 by geokat: Added Engage mapping API support for Pro+ accounts.
Issue #1145108 by geokat: Fixed too liberal CSS that caused item lists to lose bullets.
Issue #1148534 by geokat: Add orkut, salesforce and vzn as sign-in providers.