rethinkdb/docs — pull request #113 by neumino (2013-11-27 19:20:12+00:00)
Title: Update documentation for r.branch

See issue #84

- `r.branch` evaluates the `false` branch if `false` or `null` is returned.
- Add input/ouput for the example.

@mglukhovsky, would you mind taking a look at it?