Add missing treeview defaults

Fixed browser launch delay prefs option using the wrong setting

src/com/dmdirc/config/defaults/default/defaults

@@ -163,7 +163,9 @@ ui:
   shownickcoloursintext=false
   showversion=true
   stylelinks=true
+  treeviewActiveBackground=false:f0f0f0
   treeviewActiveBold=true
+  treeviewActiveForeground=false:1
   treeviewRolloverColour=false:f0f0f0
   useOneTouchExpandable=false
 
@@ -171,6 +173,8 @@ treeview:
   dragSelection=true
   sortwindows=true
   sortservers=true
+  backgroundcolour=false:0
+  foregroundcolour=false:0
 
 channel:
   splitusermodes=false

src/com/dmdirc/config/prefs/PreferencesManager.java

@@ -333,7 +333,7 @@ public class PreferencesManager {
         options.put("showWhenMaximised", "Show only when windows maximised");
 
         category.addSetting(new PreferencesSetting(PreferencesType.BOOLEAN,
-                "browser", "userlaunchdelay", "Use browser launch delay",
+                "browser", "uselaunchdelay", "Use browser launch delay",
                 "Enable delay between browser launches (to prevent mistakenly" +
                 " double clicking)?"));
         category.addSetting(new PreferencesSetting(PreferencesType.DURATION,

src/com/dmdirc/config/prefs/PreferencesSetting.java

@@ -299,12 +299,9 @@ public class PreferencesSetting {
      * @return true iif the setting will be changed if saved
      */
     public boolean needsSaving() {
-        if ((current != null && current.equals(original)) 
-                || (current == null && original == null)
-                || (validator != null && validator.validate(current).isFailure())) {
-            return false;
-        }
-        return true;
+        return (current == null || !current.equals(original))
+                && (current != null || original != null)
+                && (validator == null || !validator.validate(current).isFailure());
     }
 
 }