Fix FakeUci to return None on get when no key.
Add audit functionality for user logins.
FakeUci should throw if setting a None value
Centralized datetime json serialization
Added datetime handlbars helper to present dates pretty like.
Consolidated date formatting logic in handlebars helper.
Made the values in the lastLogin and lastUpdate better colored.
Added default empty openwireless audit section.
Only display last_login when defined.
Separated tokens generation from Cookie header generation
Allow passing no timestamp to audit.record_login, refactor tests.
Add login auditing as part of authentication.
Make audit just a module, no class.
Merge pull request #261 from akiellor/show-last-admin-login-ip

Show last admin login ip