unified "Show Settings" icon

platform/platform-impl/src/com/intellij/notification/EventLog.java

@@ -312,7 +312,7 @@ public class EventLog implements Notifications {
       panel.setContent(editor.getComponent());
 
       DefaultActionGroup group = new DefaultActionGroup();
-      group.add(new DumbAwareAction("Settings", "Edit notification settings", IconLoader.getIcon("/general/secondaryGroup.png")) {
+      group.add(new DumbAwareAction("Settings", "Edit notification settings", IconLoader.getIcon("/actions/showSettings.png")) {
         @Override
         public void actionPerformed(AnActionEvent e) {
           ShowSettingsUtil.getInstance().editConfigurable(project, new NotificationsConfigurable());

plugins/maven/src/main/resources/META-INF/plugin.xml

@@ -254,7 +254,7 @@
     <action id="Maven.ShowSettings"
             class="org.jetbrains.idea.maven.project.actions.EditSettingsAction" text="Maven Settings"
             description="Edit Maven integration settings for the current project"
-            icon="/images/mavenSettings.png">
+            icon="/actions/showSettings.png">
     </action>
 
     <action id="Maven.ToggleOffline"