added support for Polygon abstract layers (as outlines)
added support for Polygon abstract layers (as outlines)

seanisom/vtp,nakijun/vtp,markraz/vtp,markraz/vtp,nakijun/vtp,seanisom/vtp,seanisom/vtp,nakijun/vtp,markraz/vtp,seanisom/vtp,markraz/vtp,seanisom/vtp,markraz/vtp,nakijun/vtp,nakijun/vtp