...because the other tests involving LOs seem to be not sensitive enough to LO errors.

This is because these test systems have LOs and we realized that
our tests are not sensitive enough for LO related errors. I hope this
change helps. But I cannot guarantee this.

...I hope this was the last energy parameter IO related bugfix.

Note: Unfortunately this does not fix the catastrophic compiler errors
that ifort 12 also produces.

...not tested at the moment.

+integrate weights array into t_cdnvalJob type

(at the moment this is broken)

Xc pot refactor finished (libxc GGA is missing)

See merge request fleur/fleur!3

# Conflicts:
#   types/types.F90

Some preparations for libxc GGA implementation. Still not working. Additional derivative has to be implemented....