* vc.el (vc-status-menu-map, vc-status-mode-map): Bind vc-revert.

* vc.el (vc-status-menu-map, vc-status-mode-map): Bind vc-revert.
(vc-status-refresh): Create a temporary buffer and call the
`dir-status' backend function from that buffer.

* vc-bzr.el (vc-bzr-dir-status): Don't create a buffer.
(vc-bzr-after-dir-status): Don't kill the buffer.

* vc-cvs.el (vc-cvs-dir-status): Don't create a buffer.
(vc-cvs-after-dir-status): Don't kill the buffer.

* vc-git.el (vc-git-dir-status): Don't create a buffer.
(vc-git-after-dir-status-stage2): Don't kill the buffer.

* vc-hg.el (vc-hg-dir-status): Don't create a buffer.
(vc-hg-after-dir-status): Don't kill the buffer.

* vc-svn.el (vc-svn-dir-status): Don't create a buffer.
(vc-svn-after-dir-status): Don't kill the buffer.