(refs #532) Fix rendering of link over image

src/main/scala/view/Markdown.scala

@@ -195,6 +195,32 @@ class GitBucketHtmlSerializer(
       printTag(node, "li")
     }
   }
+
+  override def visit(node: ExpLinkNode) {
+    printLink(linkRenderer.render(node, printLinkChildrenToString(node)))
+  }
+
+  def printLinkChildrenToString(node: SuperNode) = {
+    val priorPrinter = printer
+    printer = new Printer()
+    visitLinkChildren(node)
+    val result = printer.getString()
+    printer = priorPrinter
+    result
+  }
+
+  def visitLinkChildren(node: SuperNode) {
+    import scala.collection.JavaConversions._
+    node.getChildren.foreach(child => child match {
+      case node: ExpImageNode => visitLinkChild(node)
+      case node: SuperNode => visitLinkChildren(node)
+      case _ => child.accept(this)
+    })
+  }
+
+  def visitLinkChild(node: ExpImageNode) {
+    printer.print("<img src=\"").print(fixUrl(node.url, true)).print("\"  alt=\"").printEncoded(printChildrenToString(node)).print("\"/>")
+  }
 }
 
 object GitBucketHtmlSerializer {