Make SetParent protected virtual also in Core,BusinessBase for Silverlight.  bugid: 683
Make SetParent protected virtual also in Core,BusinessBase for Silverlight. 
bugid: 683


ronnymgm/csla-light,MarimerLLC/csla,jonnybee/csla,MarimerLLC/csla,jonnybee/csla,ronnymgm/csla-light,jonnybee/csla,JasonBock/csla,ronnymgm/csla-light,BrettJaner/csla,BrettJaner/csla,rockfordlhotka/csla,BrettJaner/csla,JasonBock/csla,rockfordlhotka/csla,MarimerLLC/csla,rockfordlhotka/csla,JasonBock/csla