Serve style data (fonts, sprites, styles) + changed urls

[petrsloup]

New urls:

• viewers
  • /index.html for raster/vector tiles
  • /styles.html for styles
• styles
  • /styles.json array of style (version, name, id)
  • /styles/{style_id}.json - style json
  • /styles/{style_id}.html{options} - viewer with autodetection
  • /styles/{style_id}/sprite[@2x].{format}
• /fonts/{font},{font}/{start}-{end}.pbf
  • ability to concatenate more pbfs
• rasterized
  • /static/{style_id}/{lon},{lat},{zoom}[,{bearing}][,{pitch}]/{width}x{height}[@2x].{format}
    • add optional bearing and pitch
  • /static/{style_id}/{minx},{miny},{maxx},{maxy}/{zoom}[@2x].{format}
  • /raster.json - list of tilejsons
  • /raster/{style_id}/{z}/{x}/{y}[@2x].{format}
  • /raster/{style_id}.json -- tilejson + “style” property (link to /styles/{style_id}.json)
• vector data
  • /vector.json - list of tilejsons
  • /vector/{mbtiles_name},{mbtiles_name}/{z}/{x}/{y}.pbf
    • ability to concatenate
  • /vector/{mbtiles_name},{mbtiles_name}.json -- tilejson
    • ability to merge
• /index.json -- raster.json + vector.json
• add option to turn off the vector tiles (per-style)

[petrsloup]

This should be mostly done now. The rest is tracked in #6.