fixup theme validate
cleanup: Tag
theme: slight orange primary roads
theme: disable tourism=info
name clipMode magic-numbers, docs
move cast into addVertex
example: move theme menu to base
S3DB stuff
try different normal encoding
rename ExtrusionLayer public fields
cleanup: Extrusion style
add mesh-only mode to ExtrusionRenderer/Layer
S3DB: handle building/roof:color tag
refactor: split S3DB Layer/TileLoader
add S3DB layer to GwtMap
gwt: use fsaa when available
gwt: use bitmap tile source
add cache for S3DB layer
use default roof color only for flat roofs
gwt: use slf4j in libgdx