Removes all \red and \blue's (#2309)

Removes all \red's and \blues in favor of span classes. \red things that were bold were replaced with danger because it's warning but bold.

code/modules/admin/verbs/massmodvar.dm

@@ -30,7 +30,7 @@
 
 	for(var/p in forbidden_varedit_object_types)
 		if( istype(O,p) )
-			usr << "\red It is forbidden to edit this object's variables."
+			usr << "<span class='danger'>It is forbidden to edit this object's variables.</span>"
 			return
 
 	var/list/names = list()