Merge branch 'release/0.6.0' into develop
Merge branch 'master' into develop
Include tests in future datanommer.consumer releases
Conditionalize the query filters to avoid extra function calls.
Merge pull request #63 from fedora-infra/feature/conditionalize-query-filters

Conditionalize the query filters to avoid extra function calls.
Index the message timestamp and msg_id, which is already done in production.
Index user.name and package.name
Get the datanommer.models tests running again with an in-memory db.
Hang an initialization flag on the sqlalchemy session.
Get the datanommer.consumer tests running again.
Get the datanommer.commands tests working again too.
Merge pull request #65 from fedora-infra/feature/fix-unittests

Feature/fix unittests
Add a test of category extraction.
Add basic tests of the grep method.
Add negative arguments to the grep method.
Merge pull request #66 from fedora-infra/feature/grep-enhancements

Feature/grep enhancements
Query the database for all messages containing the specified keyword(s)
Merge pull request #67 from fedora-infra/feature/contains

Query the database for all messages containing the specified keyword(s)
datanommer.models-0.6.1
Merge pull request #64 from fedora-infra/feature/index

Index the message.{msg_id,timestamp}, user.name, and package.name columns.