added attribution to the spark post driver, made casing consistent with the 5.2 laravel driver

Author: Lidbetter

src/SparkpostServiceProvider.php

@@ -5,7 +5,7 @@
 use GuzzleHttp\Client;
 use Illuminate\Mail\TransportManager;
 use Illuminate\Support\ServiceProvider;
-use Clarification\MailDrivers\Sparkpost\Transport\SparkpostTransport;
+use Clarification\MailDrivers\Sparkpost\Transport\SparkPostTransport;
 use Illuminate\Mail\Transport\SparkPostTransport as LaravelSparkPostTransport;
 
 class SparkpostServiceProvider extends ServiceProvider
@@ -39,7 +39,7 @@ public function register()
                 $config = $this->app['config']->get('services.sparkpost', []);
                 $options = isset($config['guzzle']) ? $config['guzzle'] : [];
                 $client = new Client($options);
-                return new SparkpostTransport($client, $config['secret']);
+                return new SparkPostTransport($client, $config['secret']);
             });
             return $manager;
         });

src/Transport/SparkpostTransport.php

@@ -6,7 +6,14 @@
 use GuzzleHttp\ClientInterface;
 use Illuminate\Mail\Transport\Transport;
 
-class SparkpostTransport extends Transport
+
+/**
+ * This is almost a direct copy past of the driver included in Laravel 5.2.23+
+ * https://github.com/laravel/framework/blob/5.2/src/Illuminate/Mail/Transport/SparkPostTransport.php
+ *
+ * You should only need this package if you are using laravel 5.0.0 to 5.2.22
+ */
+class SparkPostTransport extends Transport
 {
     /**
      * Guzzle client instance.