Improve compatibility of dav-svn operational logging with upcoming
svnserve logging (revert this if it doesn't make it into 1.5.0).
* subversion/mod_dav_svn/lock.c
(append_locks, remove_lock): Log list of paths, even though we never
log more than one.
* tools/server-side/svn_dav_log_parse.py
Adapt.
* tools/server-side/test_svn_dav_log_parse.py
(Parser._parse_lock, Parser._parse_unlock): Parse list of paths.
git-svn-id: http://svn.collab.net/repos/svn/trunk@30518 612f8ebc-c883-4be0-9ee0-a4e9ef946e3a