STYLE: Consistent style between itkTestMainExtended and itkTestMain

git-svn-id: http://svn.slicer.org/Slicer4/trunk@21705 3bd1e089-480b-0410-8dfb-8563597acbee
COMP: Update itkTestMainExtended to use GetImageType function from itkPluginUtilities.h

git-svn-id: http://svn.slicer.org/Slicer4/trunk@21706 3bd1e089-480b-0410-8dfb-8563597acbee
ENH: Enable floating point exceptions in itkTestMainExtended

git-svn-id: http://svn.slicer.org/Slicer4/trunk@21707 3bd1e089-480b-0410-8dfb-8563597acbee
BUG: Register ITKv4 IO factory in itkTestMainExtended

git-svn-id: http://svn.slicer.org/Slicer4/trunk@21708 3bd1e089-480b-0410-8dfb-8563597acbee