ENH: Update version of ITK to 4.7.1

$ git shortlog 0f6c2b3..9c9b310 --no-merges
Brad King (1):
COMP: Fix variable reference in ITKVtkGlue module files

Bradley Lowekamp (7):
BUG: Enable setting all zeroes for fixed parameters for displacement
COMP: Fix unsafe usage of sprintf
BUG: Fix incorrectly ordering of template parameters
COMP: check for search.h in libtiff
BUG: restore the center point fixed parameters for scale transforms
COMP: Use _timezone for Visual Studio
BUG: Restore IO support for BSplineDeformableTransform

Christopher Mullins (2):
BUG: Return a correct voronoi partition in Danielsson filter example.
STYLE: Fix Latex blocks in documentation to include newlines.

Dženan Zukić (2):
COMP: VS 2012+ compile fixes and CMake warnings
COMP: fixing quote matching in vtkGlue-related .cmake file

Jean-Christophe Fillion-Robin (1):
Ensure ITKDeprecated is always excluded from the default module list.

Julien Jomier (1):
BUG: Output pointer origin is not set causing a memory access error.

Matthew McCormick (3):
ENH: Bump CMakeLists.txt version to 4.8.0.
ENH: Bump release branch version to 4.7.1.
BUG: Clear TransformIO's list of transforms in TransformFileReader.

Niels Dekker (1):
BUG: workaround for 64bit VS2013 Release segfault

git-svn-id: http://svn.slicer.org/Slicer4/trunk@23946 3bd1e089-480b-0410-8dfb-8563597acbee