Merging DIC_ABIOTIC.h and DIC_BIOTIC.h into DIC_VARS.h
Merging DIC_ABIOTIC.h and DIC_BIOTIC.h into DIC_VARS.h

altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h