First import from /etc
Brought cache directory to ./
Switched to streets_skeletron table at z15/z16
Added skeletron-2x and highroad-2x layers
Added unclipped buildings and green-areas layers
Finished switching to streets_skeletron table from rev 07ab030
Renamed green-areas to land-usages and mirrored imposm's definition
Added unclipped water-areas layer
Added POI layer to vector tiles, based on OSM.org Mapnik style:

	layer-amenity-points.xml.inc.txt
	layer-amenity-stations.xml.inc.txt
	layer-amenity-symbols.xml.inc.txt
Added feature IDs to road, poi, land and water queries
Switched magic column name from "geometry" to "__geometry__"
Added simple layer-by-layer valid JSON checker
Added Natural Earth water area data for low zooms, and a source column to output data
Updated Natural Earth data column names to older "the_geom" convention
Casting polygon areas to integers
Added TopoJSON and GeoJSON extensions to gzip list in Disk cache