Add handy script for executing node on helper scripts.

admin/node.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+ORIGDIR=$(pwd)
+cd $(dirname $0)
+cd ..
+TOPDIR=$(pwd)
+
+# download dev bundle if we don't have it already
+if [ ! -d dev_bundle ] ; then
+    ./meteor --version
+fi
+
+cd "$ORIGDIR"
+export NODE_PATH="$TOPDIR/dev_bundle/lib/node_modules"
+exec "$TOPDIR/dev_bundle/bin/node" $*