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

8006119: update javac to follow latest spec for repeatable annotations
Reviewed-by: darcy

7169362: JDK8: Write compiler tests for repeating annotations for JDK8
Reviewed-by: darcy, jjg
Contributed-by: sonali.goel@oracle.com