Updated requirements with the sphinx submodule napoleon.
Updated sphinx config for readthedocs.
Added a setup.py.
Corrected name of setup.py
Moved contents of python directory to top level. An attempt to conform
to readthedocs requirements.
UPdated path to README file in setup.py
Minor: capitalization change in docs.
Cleaned-up docs.
Merge pull request #5 from subhacom/subhasis

updated folder structure