Client clean-up + PiratePQ Implementation

Major update on client packets, now properly making unseen killed
monsters not appear as residual on a player's client. Many updates
revolving the PiratePQ environment as well.

scripts/portal/davy_next3.js

@@ -0,0 +1,9 @@
+function enter(pi) {
+    if (pi.getMap().getMonsters().size() == 0) {
+	pi.warp(925100400,0); //next
+        return(true);
+    } else {
+	pi.playerMessage(5, "The portal is not opened yet.");
+        return(false);
+    }
+}