Merge branch 'release/0.2.3' into develop
More careful with transactions for el6.
Save the badge_id in the badge dict.
Machinery for using nick2fas.
Use nick2fas correctly.
Merge branch 'feature/using-nick2fas' into develop
Exclude persons who opt-out.  For fedora-infra/tahrir#112.
0.2.4
Merge branch 'release/0.2.4'