resolves balderdashy#3022. support npm private modules as hooks

lib/hooks/moduleloader/index.js

@@ -454,6 +454,12 @@ module.exports = function(sails) {
         try {
 
           _.extend(hooks, _.reduce(results.nodeModulesFolder, function(memo, module, identity) {
+            var privateModule = isPrivateModule(module);
+
+            if (privateModule) {
+              module = privateModule;
+              identity = privateModule.identity;
+            }
 
             // Hooks loaded from "node_modules" need to have "sails.isHook: true" in order for us
             // to know that they are a sails hook
@@ -564,4 +570,22 @@ module.exports = function(sails) {
     };
   }
 
+  function isPrivateModule(module) {
+    var keys = _.keys(module);
+
+    if (keys.length !== 3 || !/^@/.test(module.identity)) return;
+
+    var name = keys[0];
+    var privateModule = module[name];
+
+    if (!privateModule['package.json']) return;
+
+    var identity = privateModule['package.json'].name;
+
+    return _.extend(privateModule, {
+      identity: identity,
+      globalId: name
+    });
+  }
+
 };