graphics: make SVG road tiles
graphics: SVG traffic (vertical and horizontal)
graphics: implement some curved traffic as SVG images
graphics: fix curved traffic SVG animation
graphics: finish SVG traffic for all curved roads
graphics: high-color water
graphics: make a high-color DIRT tile image
graphics: use a transparent layer to implement wires
graphics: experiment with new forest graphics (work in progress)
graphics: more work on hi-color forest
graphics: experiment with an SVG wire tile
graphics: finish work on high-color forest
graphics: use an SVG-based police station
tile declarations: experimenting with new parser for tile declarations
TODO- ideas for animation syntax
graphics: make 32px version of res_houses
graphics: an SVG residential building (straight-up projection)
notes: add some comments about tile resolution
graphics: enhancements to the SVG residential building #1
notes: start a document describing the graphics standards