only expose admin on distributed server under debug mode.  Note: still accessible by /admin, we can say so in the docs.
move analytics to central only, and give a clearer (non-admin) name.  Add starting admin info
Merge remote-tracking branch 'origin/urls' into admin_debugonly
easyadmin provides links to offline help and online docs, as well as a WARNING link to the Django admin
moved stats from admin to a separate page; fixed a couple of small admin bugs, made everything translatable
updated title
fixing bug in central server link
Merge remote-tracking branch 'upstream/develop' into admin_debugonly
using reverse url lookup, cleanup alignment on page.
Merge branch 'bulk_video_download' into admin_debugonly
Merge branch 'bulk_video_download' into admin_debugonly
remove online messages when offline; link to adding a group (always) and allow viewing of ungrouped users (always)
resolving formatting issues.  Add 'smart' redirects for teachers and admins. Calc stats using efficient aggregate functions.
Merge remote-tracking branch 'upstream/develop' into admin_debugonly

Conflicts:
	kalite/main/tests/__init__.py
	kalite/main/views.py
	kalite/urls.py
Merge remote-tracking branch 'upstream/develop' into admin_debugonly

Conflicts:
	kalite/main/views.py
URL lost in merge conflict resolution; adding back now.
no need for .all() with count()