LandingGadget: Add warning that getting the torrent may take a while

gadget/gadget_landing_cribjs.js

@@ -63,7 +63,7 @@
   }
 
   function downloadTorrent(gadget, torrentId, logFunction) {
-    logFunction("Preparing");
+    logFunction("Getting Torrent Data, this may take a while");
     return RSVP.Promise(function (resolve, reject) {
       var client = new WebTorrent();
       client.on('error', function (err) {