Add new plugin emacs, to take benefit of daemon capabilities of emacs >=23

plugins/emacs/emacsclient.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+# Starts emacs daemon if not already started.
+
+x=`emacsclient --alternate-editor '' --eval '(x-display-list)' 2>/dev/null`
+if [ -z "$x" ] ;then
+    emacsclient --alternate-editor "" --create-frame $@
+else
+    emacsclient --alternate-editor "" $@
+fi