Fixed some unused variables, unused imports, type variable hiding, tricky

generic array type handling and other niggling bits.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5267 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/presents/client/InvocationDirector.java

@@ -154,7 +154,7 @@ public class InvocationDirector
                 log.warning("Receiver unregistered for which we have no id to code mapping " +
                             "[code=" + receiverCode + "].");
             } else {
-                Object decoder = _receivers.remove(rreg.receiverId);
+//                 Object decoder = _receivers.remove(rreg.receiverId);
 //                 Log.info("Cleared receiver " + StringUtil.shortClassName(decoder) +
 //                          " " + rreg + ".");
             }