Add name_system attribute to NameBoxes and NameEditors

Uses the main one by default.
Removes old show complete names on profile setting in favor of
ProfileNameSystem, which is now offered under Adv. Chat->Chat UI

Forces nameui to refresh on name setting update, or should, not important though

indra/newview/llnamebox.h

@@ -55,7 +55,8 @@ public:
 		const LLUUID& name_id = LLUUID::null,
 		bool is_group = false,
 		const std::string& loading = LLStringUtil::null,
-		bool rlv_sensitive = false);
+		bool rlv_sensitive = false,
+		const std::string& name_system = LLStringUtil::null);
 };
 
 #endif