first pass at publishing errata
changes made due to finding the schema buriedin the comments of yum.update_md
Merge branch 'jconnor-new-yum-distributor' into jconnor-publish-errata
updateinfor test script
many many fixes after extensive testing
unit tests for updateinfo
Merge branch 'jconnor-new-yum-distributor' into jconnor-publish-errata
Merge branch 'jconnor-new-yum-distributor' into jconnor-publish-errata

Conflicts:
	plugins/pulp_rpm/plugins/distributors/yum/publish.py
	plugins/test/unit/test_yum_distributor_metadata.py
general merge fixes
changed open and closing tag generation to use etrtee
added more robust content testing
Merge pull request #357 from pulp/jconnor-publish-errata

Jconnor publish errata