ENH: Improve Python SuperBuild
ENH: Improve Python SuperBuild

Shared libs were reset to OFF even when
the ITK_WRAP_PYTHON option was set to ON.

Change-Id: I25a27d137254fd06955d03f34e190f3752a4c831

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