Merge branch 'release/0.3.2' into develop
Badge Holder list on badge view closes #127.
Displaying user rank on user profile view closes #157.
Lazily load "person" for leaderboard for a speed boost.

i.e., solve one occurance of the N+1 problem.

```
$ time curl http://localhost:8000/leaderboard/json -so /dev/null

real	0m7.287s
user	0m0.000s
sys	0m0.003s

$ git checkout leaderboard_slowness
Switched to branch 'leaderboard_slowness'

$ time curl http://localhost:8000/leaderboard/json -so /dev/null

real	0m1.317s
user	0m0.003s
sys	0m0.002s
```
Merge pull request #158 from fedora-infra/leaderboard_slowness

Lazily load "person" for leaderboard for a speed boost.
Fix logic for showing rank in JSON lb endpoint.
Fix leaderboard/username/json... Sigh.

Hack around the ORM trying to do N+1 again.

I know I'm in the minority here (within Fedora), but I hate ORMs. :(
Merge branch 'develop' into leaderboard_slowness
Merge pull request #159 from fedora-infra/leaderboard_slowness

Leaderboard slowness
Undo it all for now, this is broken. Sigh.
Fix JSON lb endpoint yet again.

It's roughly efficient-ish now (but includes a lot less info).
Allow a default issuer for the badge builder.
Give a 404 for missing users instead of a 500.  Fixes #162.
Redo how /leaderboard works to make it faster.

- Only pull info we need, and do so in only one query.
- Update template to reflect the new data structures.
Wrap lb json endpoint in a "leaderboard" field.
slightly comment how this works.
Merge pull request #173 from fedora-infra/lb_json

More leaderboard json stuff. Maybe it works this time.
Merge pull request #169 from fedora-infra/feature/default-issuer

Allow a default issuer for the badge builder.
Merge pull request #170 from fedora-infra/feature/404-for-users

Give a 404 for missing users instead of a 500.  Fixes #162.
0.3.3