Rewrite of session management

app/ServiceProvider/SessionProvider.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Kanboard\ServiceProvider;
+
+use Pimple\Container;
+use Pimple\ServiceProviderInterface;
+use Kanboard\Core\Session\SessionManager;
+use Kanboard\Core\Session\SessionStorage;
+use Kanboard\Core\Session\FlashMessage;
+
+class SessionProvider implements ServiceProviderInterface
+{
+    public function register(Container $container)
+    {
+        $container['sessionStorage'] = function() {
+            return new SessionStorage;
+        };
+
+        $container['sessionManager'] = function($c) {
+            return new SessionManager($c);
+        };
+
+        $container['flash'] = function($c) {
+            return new FlashMessage($c);
+        };
+
+        return $container;
+    }
+}