[Travis] ITK fix.

CMake/ctkTravisDashboardScript.cmake

@@ -60,7 +60,7 @@ set(CTEST_BINARY_DIRECTORY "${CTEST_DASHBOARD_ROOT}/CTK-Superbuild-${CTEST_BUILD
 
 set(ADDITIONNAL_CMAKECACHE_OPTION "
 CTK_USE_SYSTEM_DCMTK:BOOL=ON
-CTK_USE_SYSTEM_ITK:BOOL=ON
+#CTK_USE_SYSTEM_ITK:BOOL=ON
 ITK_DIR:PATH=/usr/lib/InsightToolkit
 
 CTK_APP_ctkCommandLineModuleExplorer:BOOL=ON