Added Addr and Port to newRemote structure.
Added findNewRemoteByPacket to identify remote node via addr,port,timestamp.
Removed useless findNewRemoteByTimestamp.
Added registeredRemotes to DCPCPacketHandlerCentralStationHello. Moved remote from pendingRemote to registeredRemotes once added to database.
Renamed pendingRemote to pendingRemotes.
Merged DCPacketHandlerCentralStationHello and DCPPacketHandlerCentralStationWaitConnectRequest into DCPPacketHandlerCentralStation. Central Station will have only one packet handler.
Connected signal statusChanged from command server to serverStatusChanged slot (previously named srvBackendStatusChanged) in CommandPanel.
Added findRegisteredRemoteBySessId to central station packet handler.
Fixed bad sessId comparison in handleCommandConnectToDrone.
Removed useless sessId for dcpservercentral.

Removed useless myID in dcpservercentral.

Removed useless droneSessID in dcpservercentral.

Removed useless registerNewBackendWithServer in dcpservercentral.

Removed use of getSessId() in central sation packet handler.