* @cfg {String} fa - Fontawsome icon name (can add stuff to it like fa-2x)
* @cfg {Boolean} active Is item active
* @cfg {Boolean} disabled Is item disabled
* @cfg {String} fa - Fontawsome icon name (can add stuff to it like fa-2x)
* @cfg {Boolean} active Is item active
* @cfg {Boolean} disabled Is item disabled
* @cfg {Boolean} preventDefault (true | false) default false
* @cfg {String} tabId the tab that this item activates.
* @cfg {String} tagtype (a|span) render as a href or span?
* @cfg {Boolean} preventDefault (true | false) default false
* @cfg {String} tabId the tab that this item activates.
* @cfg {String} tagtype (a|span) render as a href or span?