[TORQUE-1014] Inconsistency in Rails session store and cache store names

The cache store can be accessed now with :torquebox_cache symbol:

module App
  class Application < Rails::Application
    config.cache_store = :torquebox_store
  end
end
Merge pull request #132 from goldmann/TORQUE-1014-cache-store-name

[TORQUE-1014] Inconsistency in Rails session store and cache store names