[maven-release-plugin]  copy for tag parent-pom-8

git-svn-id: https://svn.apache.org/repos/asf/uima/build/tags/parent-pom-8@1554664 13f79535-47bb-0310-9956-ffa450edef68
tree: 9a4eb9e873bb7969afe8d4119c16dc6f6c6f777f
  1. marker-file-identifying-parent-pom
  2. pom.xml
  3. README.txt