- display hoshi in correct places for non-traditional grids.
- let's assume that between 9x9 and 12x12 they are placed on 3x3, and on 4x4 upwards
- show tengen only for odd number of lines
- make queryParams work again (to support old API)
- http://localhost:31250/www/go/goban-grid?s=19&lT=2&hD=4&sC=true&dH=21.944&dV=23.166&sH=all
- http://localhost:31250/www/go/goban-grid?s=13&lT=2&hD=5&sC=false&dH=21.944&dV=23.166&sH=corners
- http://localhost:31250/www/go/goban-grid?s=13&lT=2&hD=5&sC=true&dH=21.944&dV=23.166&sH=corners
- http://clojure.gungfu.de/www/go/goban-grid?s=13&lT=2&hD=5&sC=true&dH=21.944&dV=23.166&sH=corners
- generated filename should reflect settings