Tweaks how slowdown applies to humanmobs #1820

Job	Run time
code-tests (CODE)	4m 45s
map-tests (operation_trebuchet)	2m 8s
code-tests (WEB)	3m 2s
map-tests (slayer)	2m 21s
map-tests (firefight)	1m 50s
map-tests (crusade)	1m 45s
map-tests (stranded)	1m 51s
map-tests (first_contact)	2m 32s
map-tests (ks7_elmsville)	3m 27s
map-tests (ks7_elmsville_spaceodp)	3m 24s
map-tests (base_assault)	3m 33s
map-tests (base_assault_unsc_defend_vs_urf)	2m 16s
map-tests (unsc_achlys)	1m 58s
map-tests (base_assault_neutral_base)	2m 15s
map-tests (base_assault_neutral_base_taurus)	2m 29s
map-tests (geminus_city)	3m 11s
map-tests (geminus_city_urf_active)	3m 9s
map-tests (system_conquest)	8m 34s
	54m 30s

Provide feedback