move get_grids_1d.m to main gdat crpptbx folder to be used by all machines...

move get_grids_1d.m to main gdat crpptbx folder to be used by all machines since now uses only generic gdat calls, ensures .grids_1d is same for all machines

git-svn-id: https://spcsvn.epfl.ch/repos/TCV/gdat/trunk@8150 d63d8f72-b253-0410-a779-e742ad2e26cf