added the as_generator flag to get_units calls
now using content_unit_counts to calculate totals
Merge branch 'jconnor-new-yum-distributor' into jconnor-get-units-as-generator
Merge branch 'jconnor-new-yum-distributor' into jconnor-get-units-as-generator
fixed unit tests that now rely on repository content_unit_counts metadata
renamed a couple of variables to clarify that they are generator
Merge pull request #367 from pulp/jconnor-get-units-as-generator

Jconnor get units as generator