ENH: Bump ITK superbuild tag to 4.5.0.
ENH: Bump ITK superbuild tag to 4.5.0.

Change-Id: Ia62cab08f81b977d2027fc486a77de8e3afa5f16

InsightSoftwareConsortium/ITKExamples,InsightSoftwareConsortium/ITKExamples,InsightSoftwareConsortium/ITKExamples,InsightSoftwareConsortium/ITKExamples,InsightSoftwareConsortium/ITKExamples