Changelog for threepenny-editors-0.2.0.5

0.2.1.0 (2017-05-14)

* Add `editorGeneric` and `editorGenericSimple` for types with generics-sop instances.
The latter is only for record and newtypes, whereas the former supports also
Union types, but comes with additional type class constraints.
* Give `Editable` default implementations for generic types.