vpython 6.10: new formula

Closes #154.
matplotlib-basemap: find brewed geos outside /usr/local

Closes #156.
Signed-off-by: Tim D. Smith <git@tim-smith.us>
scipy: umfpack support removed upstream
numpy: umfpack support removed upstream

Closes #152.
README: reflect changes to scipy, pillow
pillow: bundle nose

Closes #147.
vpython: depend on boost-python