code: function() {
  		var closeStack, popout, label, maximise;
  
  		/**
  		 * Popout control to launch component in new window.
  		 */
  		popout = lm.utils.fnBind( this.parent.popout, this.parent );
  		label = this.layoutManager.config.labels.popout;
  		new lm.controls.HeaderButton( this, label, 'lm_popout', popout );
  
  		/**
  		 * Maximise control - set the component to the full size of the layout
  		 */
  		maximise = lm.utils.fnBind( this.parent.toggleMaximise, this.parent );
  		label = this.layoutManager.config.labels.maximise;
  		new lm.controls.HeaderButton( this, label, 'lm_maximise', maximise );
  
  		/**
  		 * Close button
  		 */
  		if( this.parent.config.isClosable ) {
  			closeStack = lm.utils.fnBind( this.parent.remove, this.parent );
  			label = this.layoutManager.config.labels.close;
  			new lm.controls.HeaderButton( this, label, 'lm_close', closeStack );
  		}
  	}
docs: Creates the popout, maximise and close buttons in the header's top right corner
  
  @returns {void}