added README.md and requirements to list of files to fix installtion in Py3
added README.md and requirements to list of files to fix installtion in Py3

bretthandrews/marvin,sdss/marvin,albireox/marvin,sdss/marvin,bretthandrews/marvin,bretthandrews/marvin,albireox/marvin,sdss/marvin,bretthandrews/marvin,albireox/marvin,albireox/marvin,sdss/marvin