Use version_fu for auditing

- https://www.pivotaltracker.com/story/show/67918322
[Finished #67918322]
Update based on PR comment
- #9
- https://www.pivotaltracker.com/story/show/67918322
[Fixes #67918322]
Merge pull request #9 from joshclick/audit_tasks

Use version_fu for auditing
Create admin section:

- https://www.pivotaltracker.com/story/show/67751518
[Finished #67751518]
Updates based on PR comments
- #10
- https://www.pivotaltracker.com/story/show/67751518
[Fixes #67751518]
Merge pull request #10 from joshclick/admin_section

Create admin section:
View users in admin

- https://www.pivotaltracker.com/story/show/67918076
[Finishes #67918076]
Updates based on PR comments

- #11
- https://www.pivotaltracker.com/story/show/67918076
[Fixes #67918076]