HOP-4571 Small user interface change

ui/src/main/java/org/apache/hop/ui/core/gui/GuiResource.java

@@ -228,6 +228,7 @@ public class GuiResource {
   private Image imageLabel;
   private Image imageFunction;
   private Image imageUser;
+  private Image imagePlugin;
   private Image imageEditOption;
   private Image imageColor;
   private Image imageNote;
@@ -455,6 +456,7 @@ private void dispose() {
     imageMissing.dispose();
     imageVariable.dispose();
     imagePipeline.dispose();
+    imagePlugin.dispose();
     imagePartitionSchema.dispose();
     imageWorkflow.dispose();
     imageUser.dispose();
@@ -735,6 +737,7 @@ private void loadCommonImages() {
         loadAsResource(display, "ui/images/minimize-panel.svg", ConstUi.SMALL_ICON_SIZE);
     imageNew = loadAsResource(display, "ui/images/new.svg", ConstUi.SMALL_ICON_SIZE);
     imageNote = loadAsResource(display, "ui/images/note.svg", ConstUi.SMALL_ICON_SIZE);
+    imagePlugin = loadAsResource(display, "ui/images/plugin.svg", ConstUi.SMALL_ICON_SIZE);
     imagePrint = loadAsResource(display, "ui/images/print.svg", ConstUi.SMALL_ICON_SIZE);
     imageRefresh = loadAsResource(display, "ui/images/refresh.svg", ConstUi.SMALL_ICON_SIZE);
     imageRegEx = loadAsResource(display, "ui/images/regex.svg", ConstUi.SMALL_ICON_SIZE);
@@ -1322,6 +1325,9 @@ public Image getImagePipeline() {
         imagePipeline, display, ConstUi.SMALL_ICON_SIZE, ConstUi.SMALL_ICON_SIZE);
   }
 
+  public Image getImagePlugin() {
+    return imagePlugin;
+  }
   public Image getImageUser() {
     return imageUser;
   }

ui/src/main/java/org/apache/hop/ui/hopgui/HopGui.java

@@ -778,7 +778,7 @@ public void menuFileCloseAll() {
       id = ID_MAIN_MENU_FILE_EXIT,
       label = "i18n::HopGui.Menu.File.Quit",
       parentId = ID_MAIN_MENU_FILE,
-      image = "ui/images/close-panel.svg",
+      image = "ui/images/shutdown.svg",
       separator = true)
   @GuiKeyboardShortcut(control = true, key = 'q')
   @GuiOsxKeyboardShortcut(command = true, key = 'q')
@@ -831,7 +831,7 @@ public void menuEditRedo() {
       id = ID_MAIN_MENU_EDIT_SELECT_ALL,
       label = "i18n::HopGui.Menu.Edit.SelectAll",
       parentId = ID_MAIN_MENU_EDIT_PARENT_ID,
-      image = "ui/images/add_all.svg",
+      image = "ui/images/select-all.svg",
       separator = true)
   @GuiKeyboardShortcut(control = true, key = 'a')
   @GuiOsxKeyboardShortcut(command = true, key = 'a')
@@ -844,7 +844,7 @@ public void menuEditSelectAll() {
       id = ID_MAIN_MENU_EDIT_UNSELECT_ALL,
       label = "i18n::HopGui.Menu.Edit.ClearSelection",
       parentId = ID_MAIN_MENU_EDIT_PARENT_ID,
-      image = "ui/images/cancel.svg")
+      image = "ui/images/unselect-all.svg")
   @GuiKeyboardShortcut(key = SWT.ESC)
   @GuiOsxKeyboardShortcut(key = SWT.ESC)
   public void menuEditUnselectAll() {

ui/src/main/java/org/apache/hop/ui/hopgui/perspective/configuration/tabs/ConfigPluginOptionsTab.java

@@ -19,7 +19,6 @@
 package org.apache.hop.ui.hopgui.perspective.configuration.tabs;
 
 import org.apache.hop.core.Const;
-import org.apache.hop.core.config.HopConfig;
 import org.apache.hop.core.config.plugin.ConfigPluginType;
 import org.apache.hop.core.gui.plugin.GuiPlugin;
 import org.apache.hop.core.gui.plugin.tab.GuiTab;
@@ -74,7 +73,7 @@ public void addPluginOptionsTab(CTabFolder wTabFolder) {
     CTabItem wPluginsTab = new CTabItem(wTabFolder, SWT.NONE);
     wPluginsTab.setFont(GuiResource.getInstance().getFontDefault());
     wPluginsTab.setText("Plugins");
-    wPluginsTab.setImage(GuiResource.getInstance().getImageHopUi());
+    wPluginsTab.setImage(GuiResource.getInstance().getImagePlugin());
 
     Composite wPluginsTabComp = new Composite(wTabFolder, SWT.NONE);
     PropsUi.setLook(wPluginsTabComp);

ui/src/main/java/org/apache/hop/ui/hopgui/perspective/configuration/tabs/ConfigVariablesTab.java

@@ -43,7 +43,6 @@
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Event;
-import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swt.widgets.TableItem;
 
 import java.util.ArrayList;