Check for local installer when re-running installer tests.
Merge pull request #63 from ehelms/bats-rerun

Check for local installer when re-running installer tests.
fixing bats test to look for correct directory
Merge pull request #66 from jlsherrill/dir

fixing bats test to look for correct directory
Refs #7442: Update to account for new Katello yum repo structure.
Merge pull request #69 from ehelms/refs-7442

Refs #7442: Update to account for new Katello yum repo structure.
Fixes #7207: Add RHEL7 support.