Set ITK package install path to be version free
Set ITK package install path to be version free

Always install the ITK package files in "lib/cmake/ITK" without the
version. This fixes the common problem of using a different version of
ITK than what is specified in the CMake files and also enables an
arbitrary version to be specified with by setting ITK_GIT_TAG.

kaspermarstal/SimpleElastix,kaspermarstal/SimpleElastix,kaspermarstal/SimpleElastix,kaspermarstal/SimpleElastix,kaspermarstal/SimpleElastix,kaspermarstal/SimpleElastix,kaspermarstal/SimpleElastix