8075184: javac is mistakenly considering an missing enclosing instance error as an overload error
Reviewed-by: mcimadamore

8003280: Add lambda tests
Summary: Turn on lambda expression, method reference and default method support
Reviewed-by: jjg

7177386: Add attribution support for method references
Summary: Add type-checking/lookup routines for method references
Reviewed-by: jjg, dlsmith