Fixes #8771 - Remove katello_api from comps
Merge pull request #4889 from daviddavis/temp/20141219165616

Fixes #8771 - Remove katello_api from comps
fixes #8776 - bumping gem version
fixes #8775 - ensure available errata are unique
Merge pull request #4892 from jlsherrill/8776

fixes #8776 - bumping gem version
Merge pull request #4891 from stbenjam/8775

fixes #8775 - ensure available errata are unique