Small bugfixes in the CVX optimizer
README tweaks
pep8
upload legacy m code
add a test
Reorganized the examples directory

(formerly known as test_driven_development)
Added Import warning for expopt.py, and cleaned up
Cleaned up example GP script

and switch to using the default solver
Changed the testing folder's organization
pep8
possibly ill-conceived model library to play with
add a (currently failing) test
Added solution checker to GP