Setup python script and change readme
Editing README
Merge branch 'python_setup_script' of github.com:zwelchWI/cyclus into zwelchWI-python_setup_script
Change setup.py to pass user input to cmake unchanged, README to reflect updated best practice
Merge branch 'python_setup_script' of github.com:zwelchWI/cyclus into zwelchWI-python_setup_script
Resolves absolute paths, creates separate build dir
Merge branch 'python_setup_script' of github.com:zwelchWI/cyclus into zwelchWI-python_setup_script
some robustness fixes
Merge branch 'zwelchWI-python_setup_script' into develop
Merge branch 'develop' of github.com:cyclus/cyclus into develop