8073534: Confusing / incorrect error message regarding annotations on non-declarations
Summary: Adjusted error message for annotations on non-declarations.
Reviewed-by: jlahoda, dlsmith

8006775: JSR 308: Compiler changes in JDK8
Reviewed-by: jjg
Contributed-by: mernst@cs.washington.edu, wmdietl@cs.washington.edu, mpapi@csail.mit.edu, mahmood@notnoop.com