Rename 'profile' => 'repository' in adlc, to conform to adl_workbench refactoring.
Refactoring to remove most uses of the MESSAGE_BILLBOARD in the system, and convet most objects to using ERROR_ACCUMULATOR, or inheriting from ANY_VALIDATOR, which does the same plus adds some useful validity functions.
Apply profile => repository refactoring to adl_compiler_app.
Ignore some compiled file types.