Provide ETS tables for runtime config
Start Phoenix.Config as part of the router start
Unify cowboy configuration under Phoenix.Router.Adapter
Improve docs for new http and https configs
Move more configuration to the new router config
Improve scope tests
Tidy up and document remaining runtime configuration
Remove race condition in tests by using proper restart strategy
Merge pull request #410 from phoenixframework/jv-runtime-config

Refactor and document the runtime configuration