Changes to make the velotheta test suite problem run.  The old
Hoffman wetting function is a separate block from the newer, more
efficient version.  To use the new version use the NEW_HOFFMAN_FCN_PLEASE
define.  Other defines potentially of intereset:
           -DRELAX_ON_TRANSIENT_PLEASE \
           -DRESET_TRANSIENT_RELAXATION_PLEASE  \
           -DDM_COORD_SCALE_PLEASE \
           -DVAR_UPDATE_UNITY_SCALE \
Merge branch 'master' of https://github.com/goma/goma