[maven-release-plugin]  copy for tag 2.1.0

git-svn-id: https://svn.apache.org/repos/asf/synapse/tags/2.1.0@1226390 13f79535-47bb-0310-9956-ffa450edef68
tree: cd2bf94e471bed2262a0a74821d33bdb98c50238
  1. modules/
  2. repository/
  3. src/
  4. pom.xml