Add astropy license line to sampy files
Add docstring to `vo` and `vo.samp` packages
Fix imports in `vo/samp/__init__.py`
Remove unused imports in sampy
Remove vo.cfg
Add first unit test for vo.samp
Add docs/vo/samp/index.rst file
Fix except statement in vo.samp.core
Merge pull request #2 from cdeil/sampy2

A bit of cleanup / infrastructure 2