Create bare ListManufacturerPane components
Make ManufactureModelObserver
Declare updateManufacturers()
@Inject ManufacturerModel and registerObserver()
Create ListManufacturerPane
Add "List Manufacturers" button and Impl
@Inject ListManufacturerPaneController and Impl list()
@Bean MVC for ListManufacturerPane
Make Textfields uneditable
Create ListManufacturerPane

Merge branch 'manufacturer-crud' into develop