Category now requires parameters to be permitted by strong_parameters using #require or #permit for mass-assignment. Missing required parameters now throw a ActionController::ParameterMissing execption instead of the Discourse::InvalidParameters execption.
- removes an (n+1) query for user data
- supports the preload store for the data to avoid a second request
- fix a bug where uncategorizes was reporting (0, 0, 0) for topics by week, month, year
under rack cache we are able to serve 620reqs a second per thin (on my machine) before it 12 (on my machine)
reorganised so mini profilers can be cleanly disabled from config file
added caching for categories index
move production.rb to production.sample.rb
