Stop propagation for all events emitted on canvas
Stop propagation for all events emitted on canvas

Currently this breaks the camera script.

CCLDESTY/xml3d.js,Fiware/webui.Xml3d.js,xml3d/xml3d.js,ariyapour/xml3d.js,xml3d/xml3d.js,Fiware/webui.Xml3d.js,ariyapour/xml3d.js,CCLDESTY/xml3d.js