Release 1.2.0 broken by hiera datadir support

[zilchms]

Seems we have accidentally broken something by trying to support hiera datadir. See #86
@bastelfreak @alexjfisher @h0tw1r3
Tagging you here to keep this all in one place and keep track.

[h0tw1r3]

I have more branches in the queue to modernize how ghostbuster works. Unfortunately it's very opinionated about the path names it processes (ie. must be prefixed with `./), and the various tests can parse the filenames in different ways (classes for sure are different).

@alexjfisher it's not immediately apparent from the output why this is happening.

Can you provide the full command you're running, and the general directory layout of the thing being ghost busted?

[alexjfisher]

It's the puppet-lint plugin that's broken if you don't have HIERA_YAML_PATH set and the default /etc/puppetlabs/code/hiera.yaml doesn't exist either.
I wasn't explicitly trying to do anything with puppet-ghostbuster, (but it is in my control-repo Gemfile, so my puppet-lint jobs started to fail). I guess previously, the check method returned early here.

[alexjfisher]

@h0tw1r3 I've opened a one line PR on a random module to demonstrate voxpupuli/puppet-extlib#219