new other and filelists context manager
corresponding unit tests for new managers
added finalize on delete to ensure it gets called when things go sideways
added other and filelists metadata generation for rpm/srpm publishing
updated unit tests to look for new metadata files
Merge branch 'jconnor-new-yum-distributor' into jconnor-filelists-other-metadata
Merge branch 'jconnor-new-yum-distributor' into jconnor-filelists-other-metadata
Merge branch 'jconnor-new-yum-distributor' into jconnor-filelists-other-metadata
added suggested docstrings and comments
added more robust content testing for metadata file generation
Merge pull request #352 from pulp/jconnor-filelists-other-metadata

Jconnor filelists other metadata