359 Select theme in settings (#423)

* Update composer package versions

* Laravel version

* Change theme in the admin settings page closes #359

* Fix comment

app/Http/Middleware/SetActiveTheme.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Igaster\LaravelTheme\Facades\Theme;
+
+/**
+ * Read the current theme from the settings (set in admin), and set it
+ */
+class SetActiveTheme
+{
+    public function handle($request, Closure $next)
+    {
+        $theme = setting('general.theme');
+        if (!empty($theme)) {
+            Theme::set($theme);
+        }
+
+        return $next($request);
+    }
+}