Refactor COM stuff a bit, and respond to COM requests a bit more readily for rapid setup. Will need to revisit later.

node/Node.cpp

@@ -241,7 +241,7 @@ public:
 			}
 
 			lastReceiveFromUpstream = std::max(p->lastReceive(),lastReceiveFromUpstream);
-		} else if (p->activelyTransferringFrames(_now)) {
+		} else if (p->isActive(_now)) {
 			// Normal nodes get their preferred link kept alive if the node has generated frame traffic recently
 			p->doPingAndKeepalive(_now,-1);
 		}