Update on actions and plugin management

plugins/testPluginGraphicalComponent/myicon.gif

src/main/java/common/ConfigurationTTool.java

src/main/java/myutil/Plugin.java

src/main/java/myutil/PluginManager.java

src/main/java/ui/TGComponentPlugin.java

src/main/java/ui/TGUIAction.java

src/main/java/ui/TToolBar.java

src/main/java/ui/tmldd/TMLArchiDiagramToolBar.java