web: Re-enable admin, for now.
core: Site title is now required.
web: Update jquery.timeago to 1.3.0
core: Add model manager for SystemEvent.
web: Move gallery setup to common js.
web: Add shout include fragment.
web: Permit other object types in drinker_name template tag.
web: Initial "timeline" view; rework session detail page.
web: Show current/last session on main page.

Less cluttered than showing all sessions.
backend: Rebuild session on drink delete.
docs: Update changelog.
web: More ui tweaks.
api: User stats: Return raw stats.
core: Recompute stats after resize.
kegadmin: Allow beer type image editing.

Addresses issue #132.
Keg detail: show "edit" link to admins.
web: Invalidate generational cache on any successful non-GET request.
Kegadmin: reorganize nav bar.
kegadmin: restore drink list.
api: Fix regression in token assignment.