Update README.md
Added end-to-end Linux script for installing casa-pip
Added preliminary end-to-end Mac script
updated README to reflect @astrofrog's new tools
Created combined setup script
PEP8
added caveats
Merge pull request #4 from astrofrog/unified-script

Created combined setup script
Merge pull request #3 from keflavich/docs

Update docs to reflect changes
remove junks