COMP: Update ITKv4 and VTKv6 to include fix for multiple call to find_package

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VTKv6 changes:

$ git shortlog b55dad7..ea7cdc4 --no-merges
Matt McCormick (1):
Reset VTK_MODULES_REQUESTED to all modules with multiple calls.

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ITKv4 changes:

$ git shortlog 8012adeb..f5e429a --no-merges
Arnaud Gelas (1):
COMP: use find_package(VTK COMPONENTS) for LevelSetsv4Visualization

Bill Lorensen (2):
ENH: Specify required VTK modules
ENH: Modify WikiExamples remote config

Cory Quammen (1):
COMP: Avoid including VTK_USE_FILE within ITK

Jean-Christophe Fillion-Robin (1):
COMP: Wiki examples require additional vtk modules

Kent Williams (1):
COMP: use find_package(VTK COMPONENTS) to specify just needed VTK Components

Matthew McCormick (6):
COMP: Remove unused typedef's in VtkGlue.
COMP: Add VTK Python module when wrapping ITKVtkGlue.
COMP: Remove unused typedefs in LevelSetsv4Visualization.
COMP: Add missing VTK module dependency for LevelSetsv4Visualization.
BUG: Configure against VTK 5.
BUG: Reset ITK_MODULES_REQUESTED to all modules with multiple calls.

Michka Popoff (1):
STYLE: Remove old cmake < 2.8.4 specific code

git-svn-id: http://svn.slicer.org/Slicer4/trunk@23830 3bd1e089-480b-0410-8dfb-8563597acbee