Added password validator and facebook routes

app.js

@@ -52,6 +52,19 @@ app.get('/account', passportConf.ensureAuthenticated, user.account);
 app.get('/admin', passportConf.ensureAuthenticated, passportConf.ensureAdmin(), user.admin);
 app.get('/partials/:name', home.partials);
 
+// Redirect the user to Facebook for authentication.  When complete,
+// Facebook will redirect the user back to the application at
+app.get('/auth/facebook', passport.authenticate('facebook'));
+// Facebook will redirect the user to this URL after approval.  Finish the
+// authentication process by attempting to obtain an access token.  If
+// access was granted, the user will be logged in.  Otherwise,
+// authentication has failed.
+app.get('/auth/facebook/callback', passport.authenticate('facebook', {
+  successRedirect: '/',
+  failureRedirect: '/login'
+}));
+
+
 app.get('*', home.index);