fireworks fixing the position of GEM digi hits v2
changing to 2 layers
Merge remote-tracking branch 'origin/fireworks-GEM-DigiHit-fix-v2' into fireworks-GEM-DigiHit-fix

Conflicts:
	Fireworks/Core/src/FW3DViewGeometry.cc
	Fireworks/Core/src/FWRPZViewGeometry.cc