8170326: Inconsistencies between code, compiler.properties and comments
Summary: Converting uses of Log and JCDiagnostic.Factory methods to use CompilerProperties instead of plain Strings, fixing inconsistencies, adding crules analyzer to ensure CompilerProperties are used whenever possible.
Reviewed-by: mcimadamore

7196531: Duplicate error messages on repeating annotations
Reviewed-by: jjg

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