[Vm-dev] Squeak5.3 OK on ArmV8 Stack+Spur

[ken.dickey at whidbey.com]

You'all probably know this, but I just git-cloned OpenSmalltalk and 
built sqstkspur64ARMv8linuxht which interprets Squeak5.3 (and Cuis) just 
fine on a Chromebook 2.

FYI,
-KenD