start with a few to match latest package-template files
added submodule astropy_helpers
updated setup.py, docs for astropy_helpers
exchanging astropy's astropy_helpers with pyvirtobs's fork
Integrated pyvo customization of astropy-helpers
apparently forgot to add these files
Merge pull request #55 from RayPlante/evolvesetup

Migrate setup.py to use astropy-helpers via submodule