message: now possible to instantiate a new wallet object from outside in v2
  Reviewers: benchan, barath
  Subscribers: ben
diff: var Keychains;
  +var Wallet;
  var Wallets;
  var coinInstances;
  @@ -54,6 +55,13 @@ BaseCoin.prototype.initializeCoin = function(coin) {
  };
  +BaseCoin.prototype.newWalletObject = function(walletParams) {
  + if (!Wallet) {
  + Wallet = require('./wallet');
  + }
  + return new Wallet(this.bitgo, this, walletParams);
  +};
  +
  BaseCoin.prototype.toJSON = function() {
  return undefined;
  };
  