move turbine to top level

git-svn-id: https://svn.apache.org/repos/asf/turbine/core/branches/jakarta@550313 13f79535-47bb-0310-9956-ffa450edef68
tree: 332c0e02bd8531db673b9da5e12a9ba1e2aca39c
  1. build/
  2. conf/
  3. lib/
  4. proposals/
  5. src/
  6. xdocs/
  7. .cvsignore
  8. README.txt