Fix for 'create' command

```
$ dobi create testing12@1.0 library
[dobi] authenticating user

/usr/local/lib/node_modules/dobi/lib/cli.coffee:398
            config.author.name = user.name;
                               ^
TypeError: Cannot set property 'name' of undefined
  at /usr/local/lib/node_modules/dobi/lib/cli.coffee:316:11
  at WriteStream.cb (/usr/local/lib/node_modules/dobi/node_modules/ncp/lib/ncp.js:224:37)
  at WriteStream.g (events.js:180:16)
  at WriteStream.EventEmitter.emit (events.js:117:20)
  at finishMaybe (_stream_writable.js:360:12)
  at afterWrite (_stream_writable.js:280:5)
  at onwrite (_stream_writable.js:270:7)
  at WritableState.onwrite (_stream_writable.js:97:5)
  at fs.js:1683:5
  at Object.wrapper [as oncomplete] (fs.js:510:5)
```