Adds Soghun/Tajaran whitelisting. Stick key and race into alienwhitelist.txt like so 'byondguy - Soghun' to allow soghun, etc.

code/datums/configuration.dm

@@ -47,6 +47,7 @@
 	var/usewhitelist = 0
 	var/kick_inactive = 0				//force disconnect for inactive players
 	var/load_jobs_from_txt = 0
+	var/usealienwhitelist = 0
 
 	var/server
 	var/banappeals
@@ -233,6 +234,9 @@
 				if ("usewhitelist")
 					config.usewhitelist = 1
 
+				if ("usealienwhitelist")
+					config.usealienwhitelist = 1
+
 				if ("feature_object_spell_system")
 					config.feature_object_spell_system = 1