tools: kointegrate: support subversion 1.6 server (uses "dir" instead of "directory")

(integrated from komodo (trunk) change 82472 by toddw)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@13791 b87d16e7-d29f-4ee1-b5ec-817d645d335f