also add a new history controller for future history coolness a=ben, r=jag, and a bit of r=timeless git-svn-id: svn://10.0.0.236/trunk@85854 18797224-902f-48f8-a5cc-f745e15eee43
also add a new history controller for future history coolness a=ben, r=jag, and a bit of r=timeless git-svn-id: svn://10.0.0.236/trunk@85854 18797224-902f-48f8-a5cc-f745e15eee43