fix filename on existing 2.0.0-github3 spec
add 2.0.0-github6
make 2.0.0-github6 the default 2.0.0
Merge branch 'master' into 2.0.0-github6
Merge branch '2.0.0-github6' of https://github.com/boxen/puppet-ruby into 2.0.0-github6