Regression, color axis marker gone on treemaps

[TorsteinHonsi]

This is a regression in v5.0.11, specifically 3365e86.

Expected behaviour

The marker should be shown on the color axis when hovering.

Actual behaviour

No marker

Live demo with steps to reproduce

http://jsfiddle.net/gh/get/library/pure/highcharts/highcharts/tree/samples/highcharts/demo/treemap-coloraxis/

[jon-a-nygaard]

Treemap missing directTouch property. Workaround by setting Highcharts.seriesTypes.treemap.prototype.directTouch = true, as in following example: http://jsfiddle.net/jon_a_nygaard/6mw4f72j/