Ftw-referencewidget

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- Ignore empty value for multiple value field.
[mathias.leimgruber]

- Support chameleon by not rendering handlebar templates. [jone]

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- Make it possible to remove an given internal reference (radio button).
[mathias.leimgruber]

- Ignore empty value for single value field.
[mathias.leimgruber]

- Fix search by pressing the "enter" button.
[mathias.leimgruber]

- Always unbind the click event before binding a new one on the ref button.
[mathias.leimgruber]

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- Same as 1.0.2 but uploaded to PyPI.
[mbaechtold]

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- Reload Items when overlay is reloaded.
[tschanzt]

- Respect Type constraints on search.
[tschanzt]

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- Ignore empty strings in converter.
[tschanzt]

- Improve overlay behavior (close on click outside the overlay + close on ESC).
[mathias.leimgruber]

- Get Widget name on overlay creation.
[tschanzt]

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- Initial release
[tschanzt]