Replaces sorting junctions with subtypes

Created by: unid15

Won't do taxi because my pet script can't fix it (its junctions use a different variable)

deff changes: http://puu.sh/lp5m5/b5ac9ae513.txt meta changes: http://puu.sh/lp5qX/c9099c2bdb.txt box changes: http://puu.sh/lp5nW/d60c71f001.txt