1120847 - improving 'All Custom Channels' queries

list only errata from channels visible in current org
errata should always be present in channel as UI suggests
show other than cloned errata in both queries
Automatic commit of package [spacewalk-java] release [2.3.28-1].
1136529 - Add aarch64 and ppc64le to parent-child channel compatibility list
1136526 - Fix installabe package list in system details
Automatic commit of package [spacewalk-java] release [2.3.29-1].
Automatic commit of package [spacewalk-web] release [2.3.6-1].
export sequences from PostgreSQL properly
Automatic commit of package [spacewalk-utils] release [2.3.10-1].
1138451 - add aarch64 provisioning support
Automatic commit of package [cobbler-loaders] minor release [1.0.3-1].
Automatic commit of package [cobbler20] minor release [2.0.11-32].
Automatic commit of package [spacewalk-java] release [2.3.30-1].
use HEAD if no commit was given
update for RHEL 5.11
1021057 - system can consume only one flex entitlement

even if it's subscribed to multiple channels from the same family
1021057 - schema upgrade
1021057 - do not double-count systems subscribed to more than one channel from the same channel family
Automatic commit of package [spacewalk-backend] release [2.3.10-1].
Automatic commit of package [spacewalk-schema] release [2.3.11-1].
1115007 - correct UTF8 config files from being marked as binary