Added remote-emacs script to contrib

contrib/remote-emacs.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+#
+# Use this script as your EDITOR to allow editing remote files with emacsclient.
+# Works by connecting to the Emacs machine with SSH and using a suitable tramp prefix.
+
+# How to reach this machine from the one that's running Emacs
+ME=user@remote-host
+
+# How to reach the machine that's running Emacs from this machine
+THEY=user@host-running-emacs
+
+if [ "${1#/}" != "$1" ]; then
+    # absolute path
+    exec ssh $THEY "emacsclient /$ME:$1"
+else
+    # relative path
+    PWD=$(pwd)
+    exec ssh $THEY "emacsclient /$ME:$PWD/$1"
+fi