images cleaned up, almost.

gui/admin-gui/src/main/java/com/evolveum/midpoint/web/component/prism/PrismObjectPanel.html

@@ -25,7 +25,8 @@
                     <img class="objectFormHeaderIcon" wicket:id="headerImg"/>
 
                     <div class="objectFormHeaderText">
-                        <img wicket:id="shield" wicket:message="title:PrismObjectPanel.protectedAccount" style="margin-right: 2px;"/>
+                        <i class="silk-shield" wicket:id="shield" style="margin-right: 2px;"
+                           wicket:message="title:PrismObjectPanel.protectedAccount"></i>
                         <span class="objectFormHeaderName" wicket:id="header"/>
                         <br>
                         <span class="objectFormHeaderDescription" wicket:id="description"/>

gui/admin-gui/src/main/java/com/evolveum/midpoint/web/component/prism/PrismObjectPanel.java

@@ -47,6 +47,7 @@
 import org.apache.wicket.model.StringResourceModel;
 import org.apache.wicket.request.resource.PackageResourceReference;
 import org.apache.wicket.request.resource.ResourceReference;
+import org.apache.wicket.request.resource.SharedResourceReference;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -251,7 +252,7 @@ public boolean isVisible() {
             }
         });
 
-        Image shield = new Image("shield", new PackageResourceReference(ImgResources.class, ImgResources.SHIELD));
+        Label shield = new Label("shield");
         shield.add(new VisibleEnableBehaviour() {
 
             @Override

gui/admin-gui/src/main/java/com/evolveum/midpoint/web/resource/img/ImgResources.java

@@ -16,8 +16,6 @@
 
 package com.evolveum.midpoint.web.resource.img;
 
-import org.apache.wicket.request.resource.PackageResourceReference;
-
 /**
  * @author lazyman
  */
@@ -30,25 +28,4 @@ public class ImgResources {
     public static final String ROLE_PRISM = "role_prism.png";
     public static final String TRACKING_PRISM = "tracking_prism.png";
     public static final String HDD_PRISM = "hdd_prism.png";
-    public static final String USER_SUIT = "user_suit.png";
-    public static final String DRIVE = "drive.png";
-
-    public static final String BUILDING = "building.png";
-    public static final String MEDAL_GOLD_3 = "medal_gold_3.png";
-    public static final String MEDAL_SILVER_2 = "medal_silver_2.png";
-    public static final String ERROR = "error.png";
-
-    public static final String TOOLTIP_INFO = "tooltip_info.png";
-
-    public static final String DELETED_VALUE = "DeletedValue.png";
-    public static final String PRIMARY_VALUE = "PrimaryValue.png";
-    public static final String SECONDARY_VALUE = "SecondaryValue.png";
-
-    public static final String SHIELD = "shield.png";
-
-    public static final String AJAX_LOADER = "ajax-loader.gif";
-
-    public static PackageResourceReference createReference(String value) {
-        return new PackageResourceReference(ImgResources.class, value);
-    }
 }