Add placeholder logo

Author: OAarne

tmc-plugin/src/fi/helsinki/cs/tmc/ui/OrganizationCard.java

@@ -24,7 +24,11 @@ public OrganizationCard(Organization organization) {
         }
         this.organizationInformation.setText(information);
         this.organizationSlug.setText("/" + organization.getSlug());
-        ImageIcon image = new ImageIcon(logoUrl(organization.getLogoPath()));
+        ImageIcon image = new ImageIcon(getClass().getResource("placeholderLogo.png"));
+        if (!organization.getLogoPath().contains("missing")) {
+            image = new ImageIcon(logoUrl(organization.getLogoPath()));
+        }
+        image.setImage(image.getImage().getScaledInstance(49, 49, java.awt.Image.SCALE_SMOOTH));
         this.logo.setIcon(image);
     }
 

tmc-plugin/src/fi/helsinki/cs/tmc/ui/OrganizationListWindow.java

@@ -20,7 +20,6 @@
 import javax.swing.JList;
 import javax.swing.JPanel;
 import javax.swing.JScrollPane;
-import javax.swing.JTextArea;
 import javax.swing.ListCellRenderer;
 import javax.swing.ListModel;
 import javax.swing.ListSelectionModel;