Added support for checking files out with Perforce P4VS
Added support for checking files out with Perforce P4VS

jkonecki/T4MVC,T4MVC/T4MVC,M1chaelTran/T4MVC,M1chaelTran/T4MVC,T4MVC/T4MVC,jkonecki/T4MVC,payini/T4MVC,payini/T4MVC,scott-xu/T4MVC,scott-xu/T4MVC