ENH: update again internal ITK to 4.5.0 seems ok now

Utilities/ITK/CMake/pre-commit

Utilities/ITK/Modules/External/.gitignore

...s/ITK/Modules/Numerics/Optimizers/src/itkCostFunction.cxx

Utilities/ITK/Modules/Remote/.gitignore

Utilities/ITK/Modules/ThirdParty/.gitattributes

.../DoubleConversion/src/UpdateDoubleConversionFromGoogle.sh

...ITK/Modules/ThirdParty/KWSys/src/KWSys/kwsysHeaderDump.pl

...Party/VNL/src/vxl/config/cmake/DSPTemplates/mex/configure

...arty/VNL/src/vxl/config/cmake/DSPTemplates/mex/install-sh

...s/ThirdParty/VNL/src/vxl/config/cmake/doxygen/vxl_doxy.pl

...ules/ThirdParty/VNL/src/vxl/v3p/netlib/libf2c/comptry.bat

...les/ThirdParty/VNL/src/vxl/v3p/netlib/libf2c/scomptry.bat

...ies/ITK/Modules/ThirdParty/VNL/src/vxl/vcl/generic/zap.pl

...es/ITK/Modules/ThirdParty/VNL/src/vxl/vcl/iso/generate.sh

...es/ITK/Modules/ThirdParty/VNL/src/vxl/vcl/tr1/generate.sh

Utilities/ITK/README.OTB.txt

Utilities/ITK/Utilities/Doxygen/mcdoc.py

Utilities/ITK/Utilities/Doxygen/vxl_doxy.pl

Utilities/ITK/Utilities/KWStyle/CMakeLists.txt

Utilities/ITK/Utilities/KWStyle/ITK.cvs.kws.xml