Update on AIBlock for better identification of signals

src/main/java/ai/AIBlock.java

src/main/java/avatartranslator/AvatarBlock.java

src/main/java/avatartranslator/AvatarSignal.java

src/main/java/avatartranslator/AvatarSpecification.java

src/main/java/ui/avatarbd/AvatarBDPanel.java

src/main/java/ui/window/JFrameAI.java