Create the multiple-moves branch.

Initialized merge tracking via svnmerge with revisions 1-22392 from
https://svn.collab.net/repos/svn/trunk



git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/svn-multi-moves@862467 13f79535-47bb-0310-9956-ffa450edef68