[PATCH] copy/rename a directory
This patch adds support for 'hg copy dir1 dir2' or 'hg rename dir1 dir2'.
When "dir2" exists, "dir1" is recursively copied (or moved) to "dir2/dir1".
When "dir2" does not exists, "dir1" is copied to (renamed as) "dir2".
#header## HG changeset patch# User #author## Date #date|date## Node ID #node##parent%changesetparent##desc##diff#