Use stored parameters to work-around URL size limit by Paul Turley

Per feedback item #752496 (which has received no response), please enable to ability to set stored parameters for a report execution to allow a report to run with a URL request. There are several common scenarios (such as working around the lack of a linked report feature in SharePoint) that would need to support multiple parameter values being passed in a URL request. This has been a known , serious limitation for a long time. Now that integrated mode is the recommended method for delivery RS reports, this capability is absolutely critical.