Summary: method applicability check should fail if formal varargs element type is not accessible
Reviewed-by: jjg

Summary: Resolve.java should keep track of all candidates found during a method resolution sweep to generate more meaningful diagnostics
Reviewed-by: jjg

Reviewed-by: darcy

Summary: Added global sanity check in order to make sure that return type inference does not violate bounds constraints
Reviewed-by: jjg