message: rename broadcast
diff: @@ -291,7 +291,12 @@ impl<T: Write+Read> Connection<T> {
  }
  }
  - pub fn broadcast(&mut self) -> Result<()> {
  + // Process one message from the connection. This is one of two type:
  + // a control message or a data message
  + //
  + // control message control light stream creation and closing
  + // whereas data message are associated to a light connection
  + pub fn process_messages(&mut self) -> Result<()> {
  use ntt::protocol::{ControlHeader, Command};
  match self.ntt.recv()? {
  Command::Control(ControlHeader::CloseConnection, cid) => {
  