Use getListAccounts() for async calls

src/universal-dapp.js

@@ -84,18 +84,15 @@ UniversalDApp.prototype.getAccounts = function (cb) {
   var self = this;
 
   if (!self.executionContext.isVM()) {
-    // TOOD: remove the try/catch if this is fixed: https://github.com/ethereum/web3.js/issues/442
-    try {
-      self.web3.personal.listAccounts(function (err, res) {
+    // Weirdness of web3: listAccounts() is sync, `getListAccounts()` is async
+    // See: https://github.com/ethereum/web3.js/issues/442
+    self.web3.personal.getListAccounts(function (err, res) {
       if (err) {
         self.web3.eth.getAccounts(cb);
       } else {
         cb(err, res);
       }
     });
-    } catch (e) {
-      self.web3.eth.getAccounts(cb);
-    }
   } else {
     if (!self.accounts) {
       return cb('No accounts?');