Added default styles serializable property to HyperText. If you select HyperText.cs, you can set a value
here that will be assigned to any new HyperText instance when it is first created.
Added InputTextSource property to HyperText. If assigned, the OutputText property of this object will be
rendered on the HyperText instance.
Added LocalizableText asset type to demonstrate use of HyperText.InputTextSource. You can access it from
Assets -> Create -> Candlelight -> Localizable Text.