1003965 - Error out of a sync if there is no feed url
Add the ability to sync environment groups from comps.xml
Merge branch 'jconnor-new-yum-distributor' into barnabycourt-US2554-sync-environment-groups
fix init error
Update to use a single list for default and non-default environment groups
Merge branch 'jconnor-new-yum-distributor' into barnabycourt-US2554-sync-environment-groups
Fix support for purging legacy package units and add support for purging environment units
PR Comments: add test against real data from fedora 19 repo.
Merge pull request #410 from pulp/barnabycourt-US2554-sync-environment-groups

sync environment groups
fix tarfile closure support.
GzipFile does not support closures on el6.
revert wrapping open() in closing().
Merge pull request #411 from pulp/jortel-fix-catalog-tests

fix tarfile closure support.
Update for PR comments
Merge pull request #403 from pulp/barnabycourt-1003965

1003965 - Error out of a sync if there is no feed url
Merge branch 'master' into jconnor-new-yum-distributor
Merge branch 'jconnor-new-yum-distributor' into jconnor-cli-distributor-progress