* Move all the dendrite config in to a single place

* Add tests for config parsing

* replace syncserver config with common config

* Replace client API config with common config

* Replace federation API config with common config

* Replace media api config with common config

* Replace room server config with common config

* Remove unused readKey function

* Fix the integration tests

* Comment on hardcoding roomserver to HTTP

* Add a method for getting RoomServerURL

This moves the hardcoding of HTTPs into one place.