Configuration format v1 (#1230)

* Initial pass at refactoring config (not finished)

* Don't forget current state and EDU servers

* More shifting around

* Update server key API tests

* Fix roomserver test

* Fix more tests

* Further tweaks

* Fix current state server test (sort of)

* Maybe fix appservices

* Fix client API test

* Include database connection string in database options

* Fix sync API build

* Update config test

* Fix unit tests

* Fix federation sender build

* Fix gobind build

* Set Listen address for all services in HTTP monolith mode

* Validate config, reinstate appservice derived in directory, tweaks

* Tweak federation API test

* Set MaxOpenConnections/MaxIdleConnections to previous values

* Update generate-config

internal/eventutil/events.go

@@ -38,7 +38,7 @@ var ErrRoomNoExists = errors.New("Room does not exist")
 // Returns an error if something else went wrong
 func BuildEvent(
 	ctx context.Context,
-	builder *gomatrixserverlib.EventBuilder, cfg *config.Dendrite, evTime time.Time,
+	builder *gomatrixserverlib.EventBuilder, cfg *config.Global, evTime time.Time,
 	rsAPI api.RoomserverInternalAPI, queryRes *api.QueryLatestEventsAndStateResponse,
 ) (*gomatrixserverlib.HeaderedEvent, error) {
 	if queryRes == nil {
@@ -52,8 +52,8 @@ func BuildEvent(
 	}
 
 	event, err := builder.Build(
-		evTime, cfg.Matrix.ServerName, cfg.Matrix.KeyID,
-		cfg.Matrix.PrivateKey, queryRes.RoomVersion,
+		evTime, cfg.ServerName, cfg.KeyID,
+		cfg.PrivateKey, queryRes.RoomVersion,
 	)
 	if err != nil {
 		return nil, err