Better-functioning document building; moved Makefile.
Update reference files for test_write_gammas.py
Chose to skip over the metadata header line, as it is nonessential to functionality. See also #24.
Refactored r2s_step2setup.py
Make r2s_step2setup.py executable
Wrote tests for r2s_step2setup.py, + more refactoring.
Comments and formatting
Sphinx-ify dostring-equivalent comments
Added source_gamma.F90 to auto-documented code. WIP.
Refactored step 2; testing is WIP.
Link in readme in docs/
.gitignore'd .mod and .o files from Fortran.
minor formatting
Config file tests written for step 2.
Revised comments for format/content in source_gamma.F90.
Note on adding r2s-act/scripts to PYTHONPAT