fleshing out multipoint optimization and 'optional' constraints
a little more with multipoint
use SNOPT for single point optimization if available
add SNOPT logic to multi-point optimization as well
more tinkering with multipoint
working on multipoint optimization
working on multipoint, runs with Omega but not Cl as parameter
checkpoint, Omega/Cl
reworking multipoint parms
make 4 separate assemblies for multipoint
a few cleanups while debugging multipoint
Merge pull request #11 from swryan/dev

set up multi-point optimization, use SNOPT instead of SLSQP if available