Revenant Tweaks (#11002)

Tau Ceti Basic speakers can now understand 80% of what revenants say.
    Revenants can now universally understand all languages.
    Revenants now spawn between 20 and 30 minutes into the round.
    Revenants now get a numerical identifier after their name that increments up from 1.

code/modules/mob/language/outsider.dm

@@ -103,4 +103,5 @@
 	colour = "revenant"
 	key = "c"
 	syllables = list("grhhg", "ghrohg", "grgugh", "grrhh", "hghh", "rghghh", "gghhh", "ggrh", "aghrh")
-	flags = RESTRICTED
+	flags = RESTRICTED
+	partial_understanding = list(LANGUAGE_TCB = 80)

code/modules/mob/living/carbon/human/species/outsider/revenant.dm

@@ -117,6 +117,7 @@
 	H.name = H.real_name
 	..()
 	H.gender = NEUTER
+	H.universal_understand = TRUE
 
 /datum/species/revenant/get_random_name()
 	return "Revenant"