Threw in an example proxy provider
Threw in an example proxy provider

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