Support OS X 10.10
2.7.0.beta1 with yosemite support
Tell puppet to parse all manifests, not just site.pp

See
https://docs.puppetlabs.com/puppet/latest/reference/environments_classic.html#config-file-environments-are-deprecated
and
https://docs.puppetlabs.com/puppet/latest/reference/dirs_manifest.html#with-puppet-apply

cc #164
Release 2.7.0.beta2, which depends on Puppet 3.7+
Merge pull request #165 from boxen/yosemite

Support OS X 10.10