flesh out docs a bit based on recent mail list

also, rename pycmake_setup to distutils_wrap for clarity about what
we're doing
delete pycmake_setup

renamed to distutils_wrap
removed pycmake.py
Merge pull request #11 from scopatz/rmpycm

Yep, another cookiecutter default.  Good catch.
Merge pull request #12 from msarahan/project_description

Project description
fixed merge conflict
reduced redundancy