This will enable building modules from the new libmodulemd v3 format.
This format fixes major issue with modularity which enables clear
upgrade paths for multicontext modules.
Signed-off-by: Martin Curlej <mcurlej@redhat.com>
This also includes `from __future__ import absolute_import`
in every file so that the imports are consistent in Python 2 and 3.
The Python 2 tests fail without this.
This puts backend specific code in either the builder or scheduler
subpackage. This puts API specific code in the new web subpackage.
Lastly, any code shared between the API and backend is placed in the
common subpackage.