Return a cleaner error message when facts files can't be found
Return a cleaner error message when facts files can't be found

dmitryilyin/rspec-puppet-facts,DavidS/rspec-puppet-facts,camptocamp/rspec-puppet-facts,mcanevet/rspec-puppet-facts,pall-valmundsson/rspec-puppet-facts,camptocamp/rspec-puppet-facts