fixed plugin activation of unpublished plugins

src/plugins.js

@@ -500,7 +500,7 @@ var fs = require('fs'),
 				async.each(installedPlugins, function(plugin, next) {
 
 					pluginMap[plugin.id] = pluginMap[plugin.id] || {};
-					pluginMap[plugin.id].name = plugin.id;
+					pluginMap[plugin.id].id = pluginMap[plugin.id].id || plugin.id;
 					pluginMap[plugin.id].description = plugin.description;
 					pluginMap[plugin.id].url = plugin.url;
 					pluginMap[plugin.id].installed = true;
@@ -521,8 +521,10 @@ var fs = require('fs'),
 					var pluginArray = [];
 
 					for (var key in pluginMap) {
+						if (pluginMap.hasOwnProperty(key)) {
 							pluginArray.push(pluginMap[key]);
 						}
+					}
 
 					pluginArray.sort(function(a, b) {
 						if(a.installed && !b.installed) {