* Console: Move favicon.ico and i2plogo.png out of the .war

so that the HTTP proxy can use them directly;
      proxy error pages must be updated next

apps/routerconsole/jsp/nav.jsp

@@ -1,6 +1,6 @@
 <%@page import="java.io.File" %>
 <div class="logo">
- <a href="index.jsp"><img src="i2plogo.png" alt="Router Console" width="187" height="35" /></a><br />
+ <a href="index.jsp"><img src="/themes/console/images/i2plogo.png" alt="Router Console" width="187" height="35" /></a><br />
 </div>
 <div class="toolbar">
  <% if (new File("docs/toolbar.html").exists()) { %>