On the log-addressing branch:  Make our access log function handle
logically addressed revisions and present full information on them.

* subversion/libsvn_fs_fs/cached_data.c
  (dbg_log_access): use p2l index to show a full item description

git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/log-addressing@1512247 13f79535-47bb-0310-9956-ffa450edef68