Added ports-install, a simple little script to copy the testbed ports

into the proper location.

install/ports/ports-install

+#!/bin/sh
+
+#
+# A little script to put the testbed ports into the ports tree
+#
+
+PORTSDIR=/usr/ports
+PORTSUBDIR=misc
+SRCDIR=`dirname $0`
+PORTS="elvind emulab-boss emulab-ops libelvin tftp-hpa"
+
+for PORT in $PORTS
+do
+    cp -r $SRCDIR/$PORT $PORTSDIR/$PORTSUBDIR
+    if [ "$?" ]
+    then
+	exit 1
+    fi
+done