move StartAction
use StartAction from org.jboss.tools.forge.ui.internal.actions
move StopAction to org.jboss.tools.forge.ui.internal.actions
use org.jboss.tools.forge.ui.internal.actions.StopAction
move GoToAction to org.jboss.tools.forge.ui.internal.actions
move LinkAction to org.jboss.tools.forge.ui.internal.actions
remove unused org.jboss.tools.forge.ui.internal.ext.actions.StartAction
remove unused org.jboss.tools.forge.ui.internal.ext.actions.StopAction