Update ITK_DIR
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thewtex/tomviz,cjh1/tomviz,mathturtle/tomviz,thewtex/tomviz,OpenChemistry/tomviz,OpenChemistry/tomviz,OpenChemistry/tomviz,cryos/tomviz,cjh1/tomviz,mathturtle/tomviz,cjh1/tomviz,OpenChemistry/tomviz,mathturtle/tomviz,thewtex/tomviz,cryos/tomviz,cryos/tomviz