Change for initial pypi release.
	new file:   AUTHORS
	new file:   CHANGES
	new file:   LICENSE
	new file:   MANIFEST.in
	modified:   README.md
	modified:   rtwo/version.py
	modified:   setup.py
Updates for initial pypi release.
	modified:   MANIFEST.in
	modified:   rtwo/version.py
	modified:   setup.py