8011010: Spec j.u.f.Predicate doesn't specify NPEs thrown by the SE8's Reference Implementation
Reviewed-by: briangoetz, dholmes, chegar

Reviewed-by: iris, mduigou, jjg

Summary: Adds additional functional interfaces for primitives and "Bi" (two operand). Adds utility extension methods. Includes some name changes for existing functional interfaces per EG decisions.
Reviewed-by: briangoetz, darcy, chegar, dholmes