v0.3.0

See the v0.3.0 announcement post in the marmelab blog.

• [BC Break] <List> takes an iterator child (like <Datagrid>)
• [BC Break] <ReferenceField> replaces referenceSource by a child field
• [BC Break] <ReferenceInput> replaces referenceSource by a child input
• [BC Break] Rename fetchJSON to fetchJson
• Switch FakeRest as an external dependency
• Add ability to customize admin title
• Add <Labeled> component, and introduce the includesLabel prop on inputs
• Add <SingleFieldList> and <ChipField> components
• Add <ReferenceManyField> component and related reducer logic
• Add <RadioButtonGroupInput> component
• Add <SelectInput> component
• Add notifications
• Add Custom App doc