Change how the image is dumped in preperation for GC.
Change how the image is dumped in preperation for GC.

All this does is preallocate a bunch of memory in the heap regions.

froggey/Mezzano,varjagg/Mezzano,rvedam/Mezzano,froggey/Mezzano,AugustusHuang/Mezzano,varjagg/Mezzano,rvedam/Mezzano,AugustusHuang/Mezzano