Change bindShared to singletondue to deprecation since Laravel 5.1

Author: okaufmann

src/TmdbServiceProvider.php

@@ -70,7 +70,7 @@ public function register()
         );
 
         // Setup default configurations for the Tmdb Client
-        $this->app->bindShared('Tmdb\Client', function() {
+        $this->app->singleton('Tmdb\Client', function() {
             $config = $this->provider->config();
             $options = $config['options'];