make eqdsk substructure array of structure instead of cell array so 1 or more...

make eqdsk substructure array of structure instead of cell array so 1 or more dimension are similar objects

git-svn-id: https://spcsvn.epfl.ch/repos/TCV/gdat/trunk@11587 d63d8f72-b253-0410-a779-e742ad2e26cf