fixes #7441 - add candlepin-common to comps
Merge pull request #4662 from jlsherrill/candlepin-2.0

refs #7441 - add candlepin-common to comps
refs 7207 - fixing comps for el7 candlepin

and removing thumbslug
Merge pull request #4664 from jlsherrill/candlepin-2.0

refs 7207 - fixing comps for el7 candlepin
Fixes #7476: Updates releasers for 2.0
Merge pull request #4668 from ehelms/refs-7476

Fixes #7476: Updates releasers for 2.0
refs #7206 - lock down 2.0 to foreman 1.6