Added flags in footer plus footer code. Updated submodule.

static/images/panflag.svg

@@ -0,0 +1,8 @@
+<svg width="88" height="31" version="1.1" viewBox="0 0 88 31" xml:space="preserve" xmlns="http://www.w3.org/2000/svg"><g id="pan" shape-rendering="crispEdges" clip-path="url(#clip)">
+      <path id="pan-3" d="m0 0h88v31h-88z" fill="#1ab3ff"/>
+      <path id="pan-2" d="m0 0h88v21h-88z" fill="#ffd700"/>
+      <path id="pan-1" d="m0 0h88v10h-88z" fill="#ff1c8d"/>
+    </g><g id="outset" shape-rendering="crispEdges">
+      <path id="outset-2" d="m0 6e-8h2v29l-2 2zm0 0h88l-2 2h-86z" fill="#fff" fill-opacity=".66667"/>
+      <path id="outset-1" d="m86 2 2-2v31h-2zm-84 27h86v2h-88z" fill="#000" fill-opacity=".66667"/>
+    </g></svg>