Issue #1168: Add @java.lang.Deprecated to transformed declarations annotated with ceylon.language::deprecated()
Issue #1168: Test that @java.lang.Deprecated is added to transformed declarations annotated with ceylon.language::deprecated()
Issue #1168: Update .src of existing tests now that we emit @java.lang.Deprecated.
Issue #1168: AbstractModelLoader: When loading the model for a @java.lang.Deprecated element, add a ceylon.language.deprecated("") to the model
Issue #1168: AbstractModelLoader: Set annotations on fields and parameters.
Issue #1168: Test that the model for Java declarations annotated with @java.lang.Deprecated has a ceylon.language.deprecated() annotation.
Changed `--system` option to `--ceylonversion`