prefix 4 attributes

[etitov]

when set scalaxbAttributePrefix := Some("a_")

case class MetricsPort(name: String,
  attributes: org.uwes.vplan2odf.vplanx.AttributesType,
  mappingPatterns: org.uwes.vplan2odf.vplanx.MappingPatterns,
  a_attributes: Map[String, scalaxb.DataRecord[Any]] = Map()) {
  lazy val a_id = a_attributes.get("@id") map { _.as[String] }
}

[etitov]

Issue #318

[eed3si9n]

Could you add test case either by editing https://github.com/eed3si9n/scalaxb/blob/master/integration/src/test/scala/BigTest.scala and creating a new one like that plz?

[eed3si9n]

Thanks!