Restructure server code to make embedding easier

red/nodes.js

@@ -66,7 +66,11 @@ var registry = (function() {
                 events.emit("nodes-stopped");
                 nodes = {};
             },
-
+            each: function(cb) {
+                for (var n in nodes) {
+                    cb(nodes[n]);
+                }
+            },
             addLogHandler: function(handler) {
                 logHandlers.push(handler);
             }
@@ -132,6 +136,7 @@ util.inherits(Node,EventEmitter);
 
 Node.prototype.close = function() {
     // called when a node is removed
+    this.emit("close");
 }
 
 
@@ -325,7 +330,7 @@ var parseConfig = function() {
             util.log("[red] unknown type: "+activeConfig[i].type);
         }
     }
-
+    
     // Clean up any orphaned credentials
     var deletedCredentials = false;
     for (var c in credentials) {