Merge pull request webtorrent#159 from yciabaud/numwant

Double default numwant for webrtc trackers (now Chrome 51 is released)

Author: feross

lib/client/websocket-tracker.js

@@ -61,7 +61,7 @@ WebSocketTracker.prototype.announce = function (opts) {
     self._send(params)
   } else {
     // Limit the number of offers that are generated, since it can be slow
-    var numwant = Math.min(opts.numwant, 5)
+    var numwant = Math.min(opts.numwant, 10)
 
     self._generateOffers(numwant, function (offers) {
       params.numwant = numwant