Rewrote "Main" section controllers to $this->render() format.

Also:
* fixed recursive errors
* moved redirects to RedirectHelper
* added td.r as text-align:right globally
* rewrote DateHelper to accept both date and POST field name in date()
* added PartnerRequestHelper, moved DisplayPary there
* globally fixed "4 spaces" to "tabs"
* fixed Controller_Abstract and Renderer helper calls