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.

OpenSim.GridInterfaces/Remote/OpenSim.GridInterfaces.Remote.dll.build

@@ -25,6 +25,7 @@
                 <include name="../../bin/libsecondlife.dll" />
                 <include name="../../bin/OpenSim.Framework.dll" />
                 <include name="../../bin/OpenSim.Framework.Console.dll" />
+                <include name="../../bin/XMLRPC.dll" />
             </references>
         </csc>
         <echo message="Copying from [${project::get-base-directory()}/${build.dir}/] to [${project::get-base-directory()}/../../bin/" />