Make sure nodes send the right notification when started, stopped or suspended.

gns3server/compute/base_node.py

@@ -105,7 +105,9 @@ class BaseNode:
     def status(self, status):
 
         self._node_status = status
-        self._project.emit("node.updated", self)
+        if status in ("started", "stopped", "suspended"):
+            self.project.emit("node.{status}".format(status=status), {"node_id": self.id})
+        self.project.emit("node.updated", self)  # FIXME: should we send this when we just start/stop/suspend a node?
 
     @property
     def command_line(self):