latency backtracing updated

src/main/java/ui/MainGUI.java

src/main/java/ui/TURTLEPanel.java

src/main/java/ui/avatarsmd/AvatarSMDReceiveSignal.java

src/main/java/ui/avatarsmd/AvatarSMDSendSignal.java

src/main/java/ui/tmlad/TMLADReadChannel.java

src/main/java/ui/tmlad/TMLADWriteChannel.java

src/main/java/ui/window/JDialogAvatarSignal.java