text: Ext.define('Todo.view.TaskCompleteButton' , {
  	extend: 'Ext.Button',
  	alias: 'widget.completeButton',
  	tpl: Ext.create('Ext.XTemplate', '<a id="clear-completed">{text}</a>', {compiled: true}),
  	setText: function (text) {
  		this.update({text:text});
  	}
  });
  