Implementation of customisable summary bar via routerconsole.summaryBar property

The initial attempt using mapping of strings to methods is shorter and neater,
but also doesn't work so is commented out.

apps/routerconsole/jsp/summaryframe.jsp

@@ -56,7 +56,7 @@
 <%
     // d and shutdownSoon defined above
     if (!shutdownSoon) {
-        out.print("<div class=\"refresh\"><form action=\"summaryframe.jsp\" method=\"POST\">\n");
+        out.print("<hr>\n<div class=\"refresh\"><form action=\"summaryframe.jsp\" method=\"POST\">\n");
         if ("0".equals(d)) {
             out.print("<b>");
             out.print(intl._("Refresh (s)"));