Warning Fixes from LJC Hack Session

[Michael Barker]

> Michael - I skimmed through this and see a couple of API changes and a few
> methods in java.sql.Date deprecated. I'm sure Stuart will go through
> everything in detail but just to mention that some of changes may be a bit
> out of scope.

These were cases where the methods were already marked as deprecated
in the comments, but were missing the Annotation.  Javac had a
specific warning for it.  I'll see what Stuart comes back with and
I'll drop those changes if required.

> I see Rémi has suggested a slice & dice but I think that's a bit too much
> work for the changes involved. Instead I would suggest a simple split, send
> the AWT/Printing/Beans changes to awt-dev + 2d-dev, and everything else to
> core-libs-dev.

Sounds sensible, will do.

Mike.