BUG: Relaxing imagecompare constraints so the test will pass on 32bit machines.
BUG: Relaxing imagecompare constraints so the test will pass on 32bit machines.

sumedhasingla/TubeTK,thewtex/TubeTK,KitwareMedical/ITKTubeTK,LucasGandel/TubeTK,KitwareMedical/ITKTubeTK,aylward/ITKTubeTK,matthieuheitz/TubeTK,LucasGandel/TubeTK,thewtex/TubeTK,matthieuheitz/TubeTK,KitwareMedical/TubeTK,thewtex/TubeTK,KitwareMedical/ITKTubeTK,thewtex/TubeTK,KitwareMedical/ITKTubeTK,KitwareMedical/TubeTK,LucasGandel/TubeTK,LucasGandel/TubeTK,cdeepakroy/TubeTK,cdeepakroy/TubeTK,sumedhasingla/TubeTK,aylward/ITKTubeTK,KitwareMedical/TubeTK,matthieuheitz/TubeTK,KitwareMedical/TubeTK,sumedhasingla/TubeTK,matthieuheitz/TubeTK,cdeepakroy/TubeTK,aylward/ITKTubeTK,aylward/ITKTubeTK,cdeepakroy/TubeTK,sumedhasingla/TubeTK