Update on Avatar State Machines

src/avatartranslator/AvatarActionOnSignal.java

src/avatartranslator/AvatarStartState.java

src/avatartranslator/AvatarState.java

src/avatartranslator/AvatarStateMachine.java

src/avatartranslator/AvatarStateMachineElement.java

src/avatartranslator/AvatarStopState.java

src/avatartranslator/AvatarTransition.java