Refactor validator stuff and fix variable names in views

app/Composers/CurrentUserComposer.php

@@ -0,0 +1,28 @@
+<?php
+
+/*
+ * This file is part of Cachet.
+ *
+ * (c) Alt Three Services Limited
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace CachetHQ\Cachet\Composers;
+
+use Illuminate\Contracts\View\View;
+use Illuminate\Support\Facades\Auth;
+
+class CurrentUserComposer
+{
+    /**
+     * Bind data to the view.
+     *
+     * @param \Illuminate\Contracts\View\View $view
+     */
+    public function compose(View $view)
+    {
+        $view->withCurrentUser(Auth::user());
+    }
+}