Agera core

• Added resultAsList/itemAsList/resultAsList converters to Functions
• Added asList to Result, returning a singleton list if present, or an empty list if not
• Added nullBinder and nullReceiver singletons that does nothing to Binders/Receivers

Rvadapter sample extension

• Added forItem to the RepositoryPresenterCompiler, creating a RepositoryPresenter for a Repository of a single item
• Added LayoutPresenter, and a layout presenter builder, for the new RepositoryAdapter methods addItem and addLayout, allowing to add static items or layouts inside a RecyclerView controlled by a RepositoryAdapter
• Added static stableId to the RepositoryPresenterCompiler
• Added forCollection to the RepositoryPresenterCompiler, allowing to present a Repository of any type as a list of items, and bind to to the collection and list items individually
• Added fine-grained events support to RepositoryPresenter

Rvdatabinding sample extension

• Added forItem (from rvadapter)
• Added recycle configuration to allow to send null to data binding variables when a view is recycled
• Added static stableId to the DataBindingRepositoryPresenterCompiler
• Added collectionId to the DataBindingRepositoryPresenterCompiler, allowing to present a Repository of any type as a list of items, and bind to to the collection and list items individually