Calculate total liquid and ice water for dme adjust for moist dycores

In tphysbc, in ESCOMP/CAM, totliqini and toticeini are calculated and stored prior to calling the dycore. These values are then used in dme_adjust in the tphysac layer. Since SE and MPAS are both dry dycores, this will be implemented at a later date as they do not call dme_adjust.

A code snippet from tphysbc in ESCOMP/CAM which needs to be implemented in CAM-SIMA:

totliqini(:ncol,:pver) = 0.0_r8
do m_cnst=1,thermodynamic_active_species_liq_num
m = thermodynamic_active_species_liq_idx(m_cnst)
totliqini(:ncol,:pver) = totliqini(:ncol,:pver)+state%q(:ncol,:pver,m)
end do

See #211 for additional details