Added log out button, corrected buttons

controllers/logout/index.js

@@ -0,0 +1,9 @@
+module.exports.index = function(req, res) {
+    req.session = null;
+    res.locals.session = null;
+    res.setHeader('Content-Type', 'text/html');
+
+    res.render('index.jade', res.locals, function(err, out) {
+        res.send(out);
+    });
+}

controllers/logout/urls.js

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+module.exports = {
+    '/logout': 'index'
+}

controllers/logout/views/index.jade

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+extends ../../../views/main
+
+block title
+    title #{title} - Index
+
+block content
+    h2 Index
+    ul
+        li
+            a(href="#{urls.bouncing}") A bouncing cube that jumps when you click on it
+            p.
+                Jumps and bounce when you click on it.
+
+        li
+            a(href="#{urls.multisphere}") Sphere with multi-resolution
+            p.
+                Lots of obj files loaded and displayed. When you click
+                somewhere, the current obj is hidden and the next one, with a
+                better resolution is shown.
+
+        li
+            a(href="#{urls.prototype}") A proto of the real thing
+            p.
+                You can move the camera with the arrow keys and move the angle of
+                the camera with 2, 4, 6 and 8 (the arrows of the numpad), or you
+                can do a drag-and-drop like (click on the mouse to grap the scene,
+                and move the mouse to rotate the camera). You can also select a
+                camera by clicking on the red part of it, and get back to the free
+                camera by clicking again.  You can also select a camera by simply
+                clicking on the object you want to see. The program will choose the
+                camera that you want, and move to it progressively.
+
+        li
+            a(href="#{urls.stream}") Streaming simulation
+            p.
+                A mesh of a sphere is fully loaded, and displayed
+                progressively.  This test is here to prove that we can
+                dynamically add vertices and faces to a mesh.