m {image} icon to show 
- smartVISU icons and icons in ./dropins/icons/ws: path and extension may be omitted (e.g. "light_light") 
- others: full file name with path and extension
- to avoid SVG embedding, use full filename with path and extension and add "/ne" at the end, e.g. "dropins/icons/ws/myicon.svg/ne"
* @param {color(icon0to5,rgb,hsl,hsv,hex,#f00)=icon0} the color in any CSS form (e.g. '#f00' for red) or classes 'icon0' through 'icon5' (default 'icon0' of the design)
	To use dynamic coloring by ite