mv ooo to top-level

git-svn-id: https://svn.apache.org/repos/asf/openoffice/branches/writer001@1413471 13f79535-47bb-0310-9956-ffa450edef68
tree: 7d8cfcd4b3bca251889c0f4199346b84f424be04
  1. ext_libraries/
  2. ext_sources/
  3. extras/
  4. main/
  5. test/
  6. .gitignore