Set confdir to prevent managing /etc/puppet
Set confdir to prevent managing /etc/puppet

Puppet will try and ensure the confdir (which rspec-puppet has defaulting to
/etc/puppet) exists when applying a catalog.  Set it to a temporary dir to
prevent internal file management.

https://github.com/rodjek/rspec-puppet/pull/237 has more discussion.

Fixes #14, #15

domcleal/rspec-puppet-augeas,domcleal/rspec-puppet-augeas