Byte array support for Dispatch

gistfile1.scala

def <<< (bytes: Array[Byte], content_type: String): Request = {
  val e = new org.apache.http.entity.ByteArrayEntity(bytes)
  e.setContentType(content_type)
  PUT.copy(body = Some(e))
}
def << (bytes: Array[Byte], content_type: String): Request = {
  val e = new org.apache.http.entity.ByteArrayEntity(bytes)
  e.setContentType(content_type)
  POST.copy(body = Some(e))
}