Added links inside <iframe> tags on iframed pages to corresponding apps

apps/routerconsole/jsp/i2ptunnelmgr.jsp

@@ -55,6 +55,8 @@
 <h1><%=intl._("I2P Tunnel Manager")%> <span class="newtab"><a href="/i2ptunnel/" target="_blank" title="<%=intl._("Open in new tab")%>"><img src="<%=intl.getTheme(request.getHeader("User-Agent"))%>images/newtab.png" /></a></span></h1>
 <div class="main" id="main">
 <iframe src="/i2ptunnel/" width="100%" height="100%" frameborder="0" border="0" name="i2ptunnelframe" id="i2ptunnelframe" onload="setupFrame()" allowtransparency="true">
+<%=intl._("Your browser does not support iFrames.")%>
+&nbsp;<a href="/i2ptunnel/"><%=intl._("Click here to continue.")%></a>
 </iframe>
 </div></body></html>
 <%