Added new JSON-like configuration style
Added new JSON-like configuration style

MetGIS/TileStache,SEL-Columbia/TileStache,mapzen/TileStache,mojodna/TileStache,TileStache/TileStache,Billups/TileStache,Kosta-Github/TileStache,mojodna/TileStache,mpuig/TileStache,mpuig/TileStache,robpvn/Vector-Tile-Research,jbants/TileStache,Blechhirn/TileStache,jbants/TileStache,TileStache/TileStache,moskvax/TileStache,MetGIS/TileStache,Billups/TileStache,moskvax/TileStache,robpvn/Vector-Tile-Research,MetGIS/TileStache,mapzen/TileStache,robpvn/Vector-Tile-Research,Blechhirn/TileStache,SEL-Columbia/TileStache,Blechhirn/TileStache,jbants/TileStache,TileStache/TileStache,SEL-Columbia/TileStache,mapzen/TileStache,Billups/TileStache,moskvax/TileStache,Kosta-Github/TileStache,Kosta-Github/TileStache