remote-shell: new package for ssh and VirtualBox utilities

Extracted from "meta/pkg-build" and "distro-build".

original commit: 807537e219c278514e1020dfc2a1bef16adfc893

pkgs/distro-build-pkgs/distro-build-server/drive-clients.rkt

@@ -14,8 +14,8 @@
          distro-build/url-options
          distro-build/display-time
          distro-build/readme
-         "email.rkt"
-         "vbox.rkt")
+         remote-shell/vbox
+         "email.rkt")
 
 ;; See "config.rkt" for an overview.
 

pkgs/distro-build-pkgs/distro-build-server/info.rkt

@@ -8,7 +8,8 @@
                "ds-store-lib"
                "net-lib"
                "scribble-html-lib"
-               "plt-web-lib"))
+               "plt-web-lib"
+               "remote-shell-lib"))
 (define build-deps '("at-exp-lib"))
 
 (define pkg-desc "server-side part of \"distro-build\"")