start fresh with new autodoc
add pvlib.rst numpydoc
add numpydoc to requirements
clean up clearsky doc indent problems
add a few words and links to index
add tmy and tools modules to docs
add sphinx.ext.autosummary
docstring improvements
Merge branch 'feature/rtfd' into develop
Merge pull request #21 from wholmgren/develop

redo docs. now working with rtfd!