Update nbody_mass.c

Removed recursive factorial.
Update CMakeLists.txt

Prep for release.
Fixed log-space calculation.
Update nbody_chisq.c

Previously, this calculation was wrong.  Fixed to reflect notes on conversation with Magdon-Ismail and Newberg.  Confirmed to be a valid metric for a metric space.
Update CMakeLists.txt

Preparation for release.
Update CMakeLists.txt
Update nbody_chisq.c

Needs to be positive so negative numbers are printed to server. Word.
Added broken power law as background fit.  New command to use is --newbg or -y.
Update to odd number because its after release.
Update nbody_mass.c

Fixing more mistakes.
Update CMakeLists.txt

Preparation for release.
Update nbody.c

Stops NAN returns on Windows from causing errors.
Update CMakeLists.txt
Update CMakeLists.txt
Fixing buffer allocation size

Buffers were not correct size with added flags
Fixing buffer allocation size

Fixing buffer size to reflect new flags.
Fixing buffer allocation size
Fixing buffer allocation size
Fixing buffer allocation size
Update setup_cl.c