put node ID into the main menu.

Clicking on the menu item copies the node ID into the clipboard.

ZeroTier One/NetworkMonitor.swift

@@ -9,6 +9,7 @@
 import Cocoa
 
 let networkUpdateKey = "com.zerotier.one.network-list"
+let statusUpdateKey = "com.zerotier.one.status"
 
 class NetworkMonitor: NSObject {
 
@@ -58,6 +59,14 @@ class NetworkMonitor: NSObject {
                 self.internal_updateNetworkInfo()
             }
         }
+
+        ServiceCom.getNodeStatus() { nodeStatus -> Void in
+            NSOperationQueue.mainQueue().addOperationWithBlock() { () -> Void in
+                let nc = NSNotificationCenter.defaultCenter()
+
+                nc.postNotificationName(statusUpdateKey, object: nil, userInfo: ["status": nodeStatus])
+            }
+        }
     }
 
     func deleteSavedNetwork(nwid: String) {