RFR: Unclutter ShenandoahHeap, take 2

[Roman Kennke]

Am 20.09.2018 um 16:50 schrieb Aleksey Shipilev:
> http://cr.openjdk.java.net/~shade/shenandoah/unclutter-sh-heap-2/webrev.01/
> 
> Since recent sh/jdk merge wrecked up my patch that reorders stuff in shenandoahHeap.hpp, I prefer to
> push the parts of pending shenandoahHeap.cpp changes ahead. This would give me the opportunity to
> just copy over the "new" shenandoahHeap.hpp with reshuffling over the old one.
> 
> Testing: tier3_gc_shenandoah
> 

Sure. Go!
Sorry for messing up.
Roman