Metric object now implements comparable. Adjust gravatar css.

resources/bootstrap.gb.css

@@ -170,6 +170,13 @@ img.overview {
 	border:1px solid #CCCCCC;
 }
 
+img.gravatar {
+    background-color: #ffffff;
+    border: 1px solid #ddd;
+    border-radius: 5px;
+    padding: 2px;
+}
+
 div.header, div.commitHeader, table.repositories th {
 	background-color:#e0e0e0;
 	background-repeat:repeat-x;

src/com/gitblit/models/Metric.java

@@ -24,7 +24,7 @@ import java.io.Serializable;
  * @author James Moger
  * 
  */
-public class Metric implements Serializable {
+public class Metric implements Serializable, Comparable<Metric> {
 
 	private static final long serialVersionUID = 1L;
 
@@ -36,4 +36,15 @@ public class Metric implements Serializable {
 	public Metric(String name) {
 		this.name = name;
 	}
+
+	@Override
+	public int compareTo(Metric o) {
+		if (count > o.count) {
+			return -1;
+		}
+		if (count < o.count) {
+			return 1;
+		}
+		return 0;
+	}
 }

src/com/gitblit/wicket/GravatarImage.java

@@ -50,6 +50,7 @@ public class GravatarImage extends WebComponent {
 		String url = MessageFormat.format("http://www.gravatar.com/avatar/{0}?s={1,number,0}&d=identicon", authorhash, width);
 		add(new AttributeModifier("src", true, new Model<String>(url)));
 		setVisible(GitBlit.getBoolean(Keys.web.allowGravatar, true));
+		WicketUtils.setCssClass(this, "gravatar");
 	}
 
 	@Override