Rewrite CRS loader not to use Boost ublas.
Rewrite CRS loader not to use Boost ublas.

Monotone-Parent: 01cb76763dbf37be39bab8110eedc1fb764ec02f
Monotone-Revision: 78d3604948ea727eb6df4881cf761e3f41501478

FrancisRussell/desola,FrancisRussell/desola,FrancisRussell/desola