calculate data rather than using the revoked flag

Cascade delete of CdnCertificate to the Serial
This way we never end up putting CdnCert serials in the crl.
Probably doesn't make much difference, but this seems cleaner
index cdn certificates on serial_id for uniformity with other certs
Merge pull request #582 from candlepin/ckozak/rework_revoked

calculate data rather than using the revoked flag
Spec test failure when running in parallel

Tests were using list_pools with no parameters which caused the query to go across
all owners. This set up a race condition where other owners not created by the test
would get deleted mid-stream. Test now retrieves needed pools by specific owner.
Merge pull request #587 from candlepin/wottop/parallel_rspec_failure

Spec test failure when running in parallel
Merge pull request #586 from candlepin/awood/package-el7

Awood/package el7
Automatic commit of package [candlepin] release [0.9.13-1].
add rhel7 build
bump candlepin-deps
Automatic commit of package [candlepin] release [0.9.14-1].
use proper qpid-java-client jar name: qpid-client-0.22 & jms

        1 through 2 of 2
        Name    Size
        /usr/share/java/qpid-client-0.22-sources.jar    370589
        /usr/share/java/qpid-client-0.22.jar    469326
Translations update.
add jms & qpid
Automatic commit of package [candlepin] release [0.9.15-1].