RFR (M): Various cleanups: (un)signed math, method names, leftover code, etc

[Roman Kennke]

Am Montag, den 31.10.2016, 17:45 +0100 schrieb Aleksey Shipilev:
> Hi,
> 
> I have managed to open Hotspot in CLion, and it barraged me with
> warnings I could not resist to fix. These include some (un)signed
> math
> problems, inconsistent method names, leftover code, etc.
> 
> See:
>   http://cr.openjdk.java.net/~shade/shenandoah/cleanups-1/webrev.01/
> 
> This is not entirely complete, but fixes some blatantly obvious
> things.
> Ok to go?

Nice. Go!

Roman