Switch to Agg backend on non-Mac OS X platforms.
Get rid of unused options.
Switch to using the URW Times replacement instead of Times New Roman.

This matches the font that TexLive uses in place of Times.
Add function for generating a random sparse matrix.
Only define STORABLE if it is not already defined.
Add more benchmarks.
Add ability to plot speedup percentages.
Add vproduct.
Add a few more benchmarks.