added a sample config for using either single yubikey otp auth, or two step authentication
Merge branch 'master' of https://github.com/drewbeer/overlay
added readme file for instructions
cleanup, as this older library isn't needed
Merge branch 'master' of https://github.com/drewbeer/overlay
oops didn't realize pound signs were going to do that
oops didn't realize pound signs were going to do that x2
Merge pull request #1 from drewbeer/master

test