[VFS-402][WebDAV] Update Apache Jackrabbit 1.5.2 to 1.6.5.
[VFS-402][WebDAV] Update Apache Jackrabbit 1.5.2 to 1.6.5.

git-svn-id: c455d203a03ec41bf444183aad31e7cce55db786@1243641 13f79535-47bb-0310-9956-ffa450edef68

svn2github/commons-vfs2,svn2github/commons-vfs2,svn2github/commons-vfs2