docs: function loadPlugins(pluginNames) {
    if (pluginNames) {
      pluginNames.forEach(function(pluginName) {
        var pluginNamespace = util.getNamespace(pluginName),
          pluginNameWithoutNamespace = util.removeNameSpace(pluginName),
          pluginNameWithoutPrefix = util.removePluginPrefix(pluginNameWithoutNamespace),
          plugin;
  
        if (!loadedPlugins[pluginNameWithoutPrefix]) {
  
          plugin = require(pluginNamespace + util.PLUGIN_NAME_PREFIX + pluginNameWithoutPrefix);
          // if this plugin has rules, import them
          if (plugin.rules) {
            rules.import(plugin.rules, pluginNameWithoutPrefix);
          }
  
          loadedPlugins[pluginNameWithoutPrefix] = plugin;
        }
      });
    }
  }