Update on attributes on avatar transitions and adding missing icons

modeling/AVATAR/testprobabilities.xml

src/main/java/myutil/GraphicLib.java

src/main/java/ui/TGUIAction.java

src/main/java/ui/avatarsmd/AvatarSMDConnector.java

src/main/java/ui/avatarsmd/AvatarSMDPanel.java

src/main/java/ui/avatarsmd/AvatarSMDTransitionInfo.java

src/main/java/ui/tmldd/TMLArchiCPUNode.java

src/main/java/ui/util/IconManager.java

src/main/resources/ui/util/functioncall.gif

src/main/resources/ui/util/receivesignal.gif

src/main/resources/ui/util/sendsignal.gif