whole_func_string: function (apporplugin) {
      if (config.plugins[apporplugin] !== undefined) {
        config.plugins[apporplugin].disabled = undefined;
        configHelpers.saveConfig();
      } else if (config.apps[apporplugin] !== undefined) {
        config.apps[apporplugin].disabled = undefined;
        configHelpers.saveConfig();
      } else {
        throw new Error(
          'Cannot enable, given app or plugin ' +
          apporplugin +
          ' is not configured.');
      }
    }
func_code_string: function (apporplugin) {
      if (config.plugins[apporplugin] !== undefined) {
        config.plugins[apporplugin].disabled = undefined;
        configHelpers.saveConfig();
      } else if (config.apps[apporplugin] !== undefined) {
        config.apps[apporplugin].disabled = undefined;
        configHelpers.saveConfig();
      } else {
        throw new Error(
          'Cannot enable, given app or plugin ' +
          apporplugin +
          ' is not configured.');
      }
    }
func_documentation_string: Remove from given app or plugin the disabled field.
  
  @param {String} apporplugin The plugin/app name
  as it's typed by the user.