Wrote code to help automatically detect bugs.

Have invocation marshallers track whether someone ever ended up responding
to the client: if they get garbage collected without ever doing so
(and they're not the base class InvocationMarshaller, which can only report
errors), log an informative error message.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3792 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/presents/tools/marshaller.tmpl

@@ -27,6 +27,7 @@ public class ${name}Marshaller extends InvocationMarshaller
         // documentation inherited from interface
         public void $lm.method.name ($lm.getArgList(false))
         {
+            _invId = null;
             omgr.postEvent(new InvocationResponseEvent(
                                callerOid, requestId, $lm.code,
                                new Object[] { $lm.getWrappedArgList(false) }));