* Bootstrap TabPanel class
* @cfg {Boolean} active panel active
* @cfg {String} html panel content
* @cfg {String} tabId unique tab ID (will be autogenerated if not set. - used to match TabItem to Panel)
* Bootstrap TabPanel class
* @cfg {Boolean} active panel active
* @cfg {String} html panel content
* @cfg {String} tabId unique tab ID (will be autogenerated if not set. - used to match TabItem to Panel)