Adds RHEL-specific pathing
In CentOS, reread will return code 2 even on successful install
Revert "Adds RHEL-specific pathing"

This reverts commit a6fea41c61d0bbda72ac43da423dc359d57b1271.
Merge pull request #19 from puphpet/extra-return-codes

Extra return codes fixes for supervisorctl commands