Fix glob.sync throwing when it can't access a directory apidoc#43

Author: rottmann

lib/plugin_loader.js

@@ -1,5 +1,4 @@
 var _    = require('lodash');
-var fs   = require('fs');
 var path = require('path');
 var util = require('util');
 var glob = require('glob');
@@ -44,19 +43,15 @@ module.exports = PluginLoader;
 PluginLoader.prototype.detectPugins = function(dir) {
   var self = this;
 
+  // Every dir start with "apidoc-plugin-", because for the tests of apidoc-plugin-test.
+  var plugins;
   try {
-    if (dir === '/') {
-      fs.accessSync(dir + '.');
-    } else {
-      fs.accessSync(dir + '/.');
-    }
+    plugins = glob.sync(dir + '/apidoc-plugin-*');
   } catch (e) {
     app.log.warn(e);
     return;
   }
 
-  // Every dir start with "apidoc-plugin-", because for the tests of apidoc-plugin-test.
-  var plugins = glob.sync(dir + '/apidoc-plugin-*');
   if (plugins.length === 0) {
     dir = path.join(dir, '..');
     if (dir === '/' || dir.substr(1) === ':\\') {