general
- update to latest gradle plugin
library
- implement getTypeInstance method and remove the getTypeInstances as this adds additional typeSafety even if the Adapter was not typed
- remove unnecessary type definition
- use interface for wrap method
- type ctor and getFastAdapter to add more type safety
sample
- add new sample activity which showcases multiple generic items with a GenericItemAdapter
- throw exception if no possible model class is passed inside the factory
- header should not be selectable
- update sample to latest MaterialScrollbar
- update to latest MaterialDrawer