Add option to not store duplicate input in command history for legacy mode.

deluge/ui/console/modes/alltorrents.py

@@ -170,7 +170,8 @@ DEFAULT_PREFS = {
     "downloaded_width":13,
     "uploaded_width":13,
     "owner_width":10,
-    "disable_three_dots": False
+    "disable_three_dots": False,
+    "ignore_duplicate_lines": False
 }
 
 column_pref_names = ["queue","name","size","state",

deluge/ui/console/modes/preference_panes.py

@@ -312,6 +312,7 @@ class InterfacePane(BasePane):
         BasePane.__init__(self,offset,parent,width)
         self.add_header("General")
         self.add_checked_input("disable_three_dots","Do not append three dots symbol when trimming columns",parent.console_config["disable_three_dots"])
+        self.add_checked_input("ignore_duplicate_lines","Do not store duplicate input in history",parent.console_config["ignore_duplicate_lines"])
         self.add_header("Columns To Display")
         for cpn in deluge.ui.console.modes.alltorrents.column_pref_names:
             pn = "show_%s"%cpn