Enhance Assert so that lazy string computation can occurr where needed; enhance static roding rule checkers to make sure the right version of the method is called.
Reviewed-by: jlahoda
Add support for generating (at build-time) an enum-like class containing all javac diagnostics, which allows for safe diagnostic creation.
Reviewed-by: jlahoda, jjg, vromero, erikj, jfranck
