On the 'moves-tracking-2' branch: Fix a bug in the commit editor shim with
regard to property changes in a copied subtree. Note a related problem.

* subversion/libsvn_delta/compat3.c
  As above.

git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/move-tracking-2@1609741 13f79535-47bb-0310-9956-ffa450edef68
On the 'moves-tracking-2' branch: Tweak comments.

* subversion/include/private/svn_editor3.h
  As above.

git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/move-tracking-2@1609742 13f79535-47bb-0310-9956-ffa450edef68