FIX: exception in an interval
removed usless access modifiers specified in models
FIX: add safety so sidekiq can no longer be paused indefinitely

If the process pausing sidekiq dies sidekiq will come out of pause mode
FIX: signaling seems flaky, simply kill thread
FIX: simplify, use our redis instead
FIX: race condition
FIX: make filter bindable
FIX: report db when we get an exception in multisite
FIX: only update column if we have a user
Workaround: Make sure this spec can not hang our spec suite
FIX: hanging specs
Improve identity for scheduler
unhack spec
Merge pull request #2669 from akshaymohite/optimization-fixes

removed useless access modifiers specified in models
removed useless assignments at some places
Merge pull request #2671 from akshaymohite/optimization-fixes

removed useless assignments at some places
FIX: unhide post when a moderator undos the flag on which s/he took action
FIX: public_user_custom_fields are returned by UserSerializer
FIX: Don't try and delete inactive admins, rare as they may be.
TRIVIAL: Don't show 06 Aug, show 6 Aug