Embedded struct members

[Augusto Roman]

It seems like embedded structs don't get properly converted to JS objects -- the anonymous embedded fields aren't promoted to the parent object like I would expect.

For example, this snippet: http://www.gopherjs.org/playground/#/OzkunwsZrq

Produces this in the console:

The anonymous field appears to be given an empty name.

With two anonymous fields (http://www.gopherjs.org/playground/#/WPqBJFZFa_), one of them is blown away:

Bug?

- Augusto