Fix issue where inputs flip between controlled and uncontrolled...
Fix issue where inputs flip between controlled and uncontrolled...

Fixes the following warning:

```
Warning: FriggingBootstrap.Input is changing a uncontrolled input
of type text to be controlled. Input elements should not switch from
uncontrolled to controlled (or vice versa). Decide between using a
controlled or uncontrolled input element for the lifetime of the
component.
```

https://github.com/frig-js/frigging-bootstrap/issues/44#issuecomment-221758607

frig-js/frig,TouchBistro/frig,frig-js/frig,TouchBistro/frig