warnings saner, and make it possible to turn them off more easily.
* The deprecated "default is" warning no longer happens is the attribute has
- any accessor method defined (accessor, reader, writer).
+ any accessor method defined (accessor, reader, writer). Also, this warning
+ only happens when a method generated because of the default is is actually
+ called, rather than when the attribute is defined.
* The "default default" code for some native delegations no longer issues a
deprecation warning when the attribute is required or has a builder.