cktpzstr.c, cleanup minimising / maximising operations
subckt.c, #1/5 cleanup modtranslate() signature
subckt.c, #2/5 rename submod --> orig_modnames
subckt.c, #3/5 rename translated_model_name --> new_model_name
subckt.c, #4/5 rename modnames --> new_modnames
subckt.c, #5/5 local scope for orig_modnames