Update to latest version of rake
update to latest version of mini profiler
get rid of cache db, not needed
try to default to sockets, so less people have issues configuring in prd
ignore bundle in case people bundle standalone
BUGFIX: redis-rails has always been a problem child
implemented an ActiveSupport::Cache::Store for our internal use.
* allows for expire by family
* works correctly in multisite
* namespaced correctly

Removed redis-rails from the project, no longer needed
BUGFIX: UserStat spec was over ambitious with its mocking