Updates announcement text for network issues.
Adds LOCAL_MIDDLEWARE_CLASSES.

Useful for e.g. django-debug-toolbar.  Should not break existing config.
Makes leaderboard queries more efficient.

Went from 500+ to 26 queries according to django-debug-toolbar.  Should
make the thing load in a more reasonable amount of time.
Fixes an AnonymousUser bug in leaderboard.
Adds a metric for the consistency of the times when you sleep (not the length of time that you sleep).
Makes some fixes to the FAQ.
Minor fix on handling exceptions for consistent metric
Merge branch 'master' into groups