check bounds in testopt, fix bug in NEWUOA_BOUNDS that allowed it to go outside of the bounds in one case

darcs-hash:20080901063605-c8de0-466debf023ac975267a65a9f125ada08c771fb49.gz

darcs-hash:20080901061003-c8de0-6a16e8851e531e3f8d15551849058a7ce303560d.gz

first start at replacing original newuoa routines with nlopt versions that will allow bound constraints

darcs-hash:20080901032752-c8de0-2f993fc0527b8c9f04c2e7dccc00ccd281ef0bc5.gz

darcs-hash:20080901032645-c8de0-1465f42dcbcffcba847197f52233c4657fdeae4e.gz