add logout, team selection

src/routes/auth.js

@@ -149,4 +149,11 @@ router.get('/auth/teamsnap/session_storage', (req,res)=>{
 }
 )
 
+router.post('/logout', function(req, res, next){
+  req.logout(function(err) {
+    if (err) { return next(err); }
+    res.redirect('/');
+  });
+});
+
 module.exports = {router, ensureLoggedIn};