added aerowayicons layer to position airport icons at top and keep runway lines/building outlines on the bottom, made hospital icons red and consistent in size, removed pois showing up before zoom 15 other than airport icons, changed water zoom levels, limited zoom level for watermed to before zoom 9 since its shape can look sharp at closer zoom levels, commented out water casing because it looked too busy and there were some erroneous lines going through lakes/large rivers, made a small change to zoom levels of city names so they are clearer at zoom 7/8