move poi to top level

git-svn-id: https://svn.apache.org/repos/asf/poi/branches/jakarta-poi@550311 13f79535-47bb-0310-9956-ffa450edef68
tree: 38def28b2ff11d77cb76b19b3ca5fba154ed61fa
  1. legal/
  2. lib/
  3. src/
  4. tools/
  5. .cvsignore
  6. build.bat
  7. build.sh
  8. build.xml
  9. README.txt