message: Improve readme with v2 examples
diff: BitGo JavaScript SDK
  -The BitGo Platform and SDK makes it easy to build multi-signature Bitcoin applications today.
  +The BitGo Platform and SDK makes it easy to build multi-signature crypto-currency applications today with support for Bitcoin, Ethereum and many other coins.
  The SDK is fully integrated with the BitGo co-signing service for managing all of your BitGo wallets.
  Included in the SDK are examples for how to use the API to manage your multi-signature wallets.
  -Please join us on our [Slack channel](https://bitgodevs.slack.com) if you have questions or comments about this API.
  +Please email us at support@bitgo.com if you have questions or comments about this API.
  [![Known Vulnerabilities](https://snyk.io/test/npm/bitgo/badge.svg)](https://snyk.io/test/npm/bitgo) [![Build Status](https://cloud.drone.io/api/badges/BitGo/BitGoJS/status.svg)](https://cloud.drone.io/BitGo/BitGoJS)
  @@ -20,7 +20,7 @@ We recommend using `nvm`, the [Node Version Manager](https://github.com/creation
  # Full Documentation
  -View our [Javascript SDK Documentation](https://www.bitgo.com/api/v2).
  +View our [API Documentation](https://www.bitgo.com/api/v2).
  # Release Notes
  @@ -46,24 +46,23 @@ const params = {
  "passphrase": "replaceme",
  "label": "firstwallet"
  };
  -bitgo.wallets().createWalletWithKeychains(params, function(err, result) {
  +bitgo.coin('tbtc').wallets().generateWallet(params, function(err, result) {
  wallet = result.wallet;
  - console.dir(wallet.wallet);
  - console.log("Locally created keychain: " + result.userKeychain.encryptedXprv);
  + console.dir(wallet._wallet);
  });
  ```
  ## Create new address
  ```js
  -wallet.createAddress({ "chain": 0 }, function callback(err, address) {
  +wallet.createAddress({ "chain": 10 }, function callback(err, address) {
  console.dir(address);
  });
  ```
  -## View transactions
  +## View wallet transfers
  ```js
  -wallet.transactions({}, function callback(err, transactions) {
  - console.dir(transactions);
  +wallet.transfers({}, function callback(err, transfers) {
  + console.dir(transfers);
  });
  ```
  