updated to use lastest version of libsl but is currently broke when using SL viewer 1.15.02, due to big changes in the message templates.

OpenGridServices.UserServer/OpenGridServices.UserServer.exe.build

@@ -27,6 +27,7 @@
                 <include name="../bin/OpenSim.Servers.dll" />
                 <include name="../bin/libsecondlife.dll" />
                 <include name="../bin/Db4objects.Db4o.dll" />
+                <include name="../bin/XMLRPC.dll" />
             </references>
         </csc>
         <echo message="Copying from [${project::get-base-directory()}/${build.dir}/] to [${project::get-base-directory()}/../bin/" />