added simple warper for RAPT request via

shell_scripts/ratp_now

@@ -0,0 +1,14 @@
+#!/bin/sh
+if [ $# -lt 2 ]
+then
+	echo 'usage ratp_now "la varenne-chennevieres (RER)" "gare de l est (SNCF), paris"'
+	exit;
+fi
+
+DATE=`date +%Y-%m-%d`
+TIME=`date +%H:%M`
+START=`echo $1|tr " " "+"`
+END=`echo $2|tr " " "+"`
+
+# should instead call the default browser
+firefox --new-tab http://www.ratp.fr/itineraires/fr/ratp/resultat-simple/$START/$END/is_date_start/1/date/$DATE/time/$TIME/route_type/plus_rapide