Fred get_zone_cfgs: remove unused parameter recalc
Fred gamestate utils: add my_attack_map table
Fred: adapt get_zone_cfgs to the new fred_utils functions
Fred: move HP ratio calculation into full_offensive()

This was the only place that still used it, making a simpler version
possible.
Fred: rename def_stats -> def_stat when single statistics are used

This is simply to indicate when we are dealing with a singe statistics
table, and when it’s an array of tables (independent of grammatical
correctness).
Fred: rename att_stats -> att_stat when single statistics are used

This is simply to indicate when we are dealing with a singe statistics
table, and when it’s an array of tables (independent of grammatical
correctness).