COMP: Address GradientAnisotropicDiffusionImageFilter example settings.

Addresses:

WARNING: In
/home/matt/src/ITK/Modules/Filtering/AnisotropicSmoothing/include/itkAnisotropicDiffusionImageFilter.hxx,
line 82
GradientAnisotropicDiffusionImageFilter (0x12ce520): Anisotropic diffusion
unstable time step: 0.25
Stable time step for this image must be smaller than 0.125

when building the Software Guide.

Change-Id: I6718b6a5a0b8ece222b86039596224bdc32e95b2
COMP: Bump WikiExamples remote.

This addresses doxygen configuration.

Change-Id: I5bf01336ee7ff275e87b59ac9d8d128cbe771a0d
Merge topic 'WikiExamplesBump'

a97b78a3 COMP: Bump WikiExamples remote.
Merge topic 'AnisotropicWarnings'

eb376594 COMP: Address GradientAnisotropicDiffusionImageFilter example settings.