Improve output: distinguish between failed assertions (failures) and unexpected exceptions (errors), and print a filtered stack trace for any exception.

webapp/web/fileupload/md5.jsp

@@ -0,0 +1,11 @@
+<%-- $This file is distributed under the terms of the license in /doc/license.txt$ --%>
+
+<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>
+
+<div>${checksum} "${fileName}"</div>
+
+<c:url value="/individual" var="url">
+    <c:param name="uri" value="${uri}"/>
+</c:url>
+<div>return to  <a href="${url}">${name}</a></div>
+