Add license files to the Win32 binary dist.
Add license files to the Win32 binary dist.

* build/win32/make_dist.py
  (_disttree): Add various license files to the file tree.
  (_make_dist): Add the license directory to the main zip.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion