STYLE: Improve style of HoughTransform2DLinesImageFilter example.

Remove unneeded include.

Use ImageRegion copy constructor. Use more complete and concise
itk::Image::CopyInformation.

Use EXIT_SUCCESS and EXIT_FAILURE macros.

Change-Id: I59c590688875e9e66a8e6b7617c88a2ea13273ab
COMP: Use ConceptChecking for IterativeInverse dimension check.

For:

/home/matt/src/ITK/Modules/Compatibility/V3Compatibility/include/itkIterativeInverseDeformationFieldImageFilter.hxx:54:40:
warning: self-comparison always evaluates to true [-Wtautological-compare]
  if ( ! ( TInputImage::ImageDimension == TOutputImage::ImageDimension ) )

Change-Id: I4df90797780d9a9cc07de14723a2f577b07444e5
BUG: Fixing incorrect MINC style inverse transform

Change-Id: Id3ccb0a9c37d86bbb8ff53c33c64f47256a9c3d8
Merge topic 'MINC_FIX_INVERSE_TRANSFORM_release'

781cf9e5 BUG: Fixing incorrect MINC style inverse transform
Merge topic 'IterativeInverseSameDimension'

e946fa61 COMP: Use ConceptChecking for IterativeInverse dimension check.
Merge topic 'HoughTransformCopyInformation'

b7f1fdff STYLE: Improve style of HoughTransform2DLinesImageFilter example.