Make reverse proxy compatible with v2fly (#924)

* Make reverse proxy compatible with v2fly

* Fix gitignore

* Regenerate proto files

- fix v2ray name in loopback

* Fix fly.org in unit tests

app/reverse/reverse.go

@@ -14,7 +14,7 @@ import (
 )
 
 const (
-	internalDomain = "reverse.internal.example.com"
+	internalDomain = "reverse.internal.v2fly.org" // make reverse proxy compatible with v2fly
 )
 
 func isDomain(dest net.Destination, domain string) bool {