Renamed core subproject to action subproject, remotely

git-svn-id: https://svn.apache.org/repos/asf/struts/action/branches/upload@348624 13f79535-47bb-0310-9956-ffa450edef68
tree: 0c2a85e240a69fb7b2fa0638c651f523ae960faa
  1. src/