see #josm9681 - new map icons

licenses:
painter.png			CC0		maxim2 <https://openclipart.org/user-detail/maxim2>
plumber.png			CC0		purzen <https://openclipart.org/user-detail/purzen>
pottery.png			CC0		bradpitcher <https://openclipart.org/user-detail/bradpitcher>
stonemason.png			CC0		
window_construction.png		WTFPL		Wuzzy
tiler.png				WTFPL		Wuzzy


git-svn-id: http://svn.openstreetmap.org/applications/share/map-icons@30266 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4