Category filters from fedmsg.meta
Merge branch 'develop' of https://github.com/fedora-infra/datanommer into develop

Conflicts:
	datanommer.models/alembic/versions/a4f74590bcf_determine_category.py
	datanommer.models/datanommer/models/__init__.py
Merge branch 'develop' of https://github.com/fedora-infra/datanommer into develop
Merge branch 'develop' of https://github.com/fedora-infra/datanommer into develop
Merge branch 'develop' of https://github.com/fedora-infra/datanommer into develop
Dump --since and --before
Merge pull request #32 from HousewifeHacker/dump-dates

Dump dates