Review request for JDK-8141144: Move NameCodec to jdk.nashorn.internal space

[Attila Szegedi]

Please review JDK-8141144 "Move NameCodec to jdk.nashorn.internal space" at 
<http://cr.openjdk.java.net/~attila/8141144/webrev.jdk9> for 
<https://bugs.openjdk.java.net/browse/JDK-8141144>

Thanks,
  Attila.