bundle update
api: tweets/user_best: add recent parameter (experimental)
web: fix sidebar thresholds part
upgrade rails to 4.1.5
web: about#status: refactor
don't use connection_pool (because aclog no longer use Puma)
web: sessions#create: refactor
web: about#status: fix...
web: autoload: autoload earlier
bundle update
web: revert bootstrap-sass to 3.2.0.1
worker_node: refactor event queue
Ruby on Rails 4.2.0.beta1