changed import statements and docstrings to point to nectar instead of pulp.common.download
removed pulp.common.download and associated unit tests
renamed nectar module in pulp.plugins.util in order to resolve import errors
adding nectar rpm spec and source tarball to deps directory
chagend spec to require python-nectar and removed curl and eventlet requires
latest version of the spec
added nectar to nodes spec
latest nectar tarball and spec that builds via tito
latest nectar spec
Merge pull request #479 from pulp/jconnor-cut-over-to-nectar

Jconnor cut over to nectar