* tramp-sh.el (tramp-sh-handle-vc-registered): Don't modify the
global vc-handled-backends (bug#18535).
* tramp-sh.el (tramp-get-remote-id): Check also for "gid".
* tramp-sh.el (tramp-open-connection-setup-interactive-shell):
Reduce the amount of set environment variable commands.
* tramp-sh.el (tramp-open-connection-setup-interactive-shell):
Reduce the amount of set environment variable commands.
Merge branch 'master' of git.sv.gnu.org:/srv/git/tramp