some aesthetic changes

lib/PeerManager.js

@@ -233,11 +233,13 @@ PeerManager.prototype.discoverPeers = function(callback) {
         // if so, just pass back cached peer list
         return done(null, self.seeds.results[seed]);
       }
+
       // has this seed failed to resolve?
       if (~self.seeds.failed.indexOf(seed)) {
         // if so, pass back empty results
         return done(null, []);
       }
+
       // otherwise resolve the dns seed to get some peers
       log.info('resolving dns seed '+ seed);
       dns.resolve(seed, function(err, peers) {
@@ -251,6 +253,7 @@ PeerManager.prototype.discoverPeers = function(callback) {
         self.seeds.results[seed] = peers;
         return done(null, peers);
       });
+
     };
   });