symfony version in 1.x (#117, backport of #116)

* backport #116 to 1.x
* cs fix

Author: hjanuschka

src/SentrySymfonyClient.php

@@ -15,6 +15,7 @@ public function __construct($dsn = null, $options = [])
             'name' => 'sentry-symfony',
             'version' => SentryBundle::VERSION,
         ];
+        $options['tags']['symfony_version'] = \Symfony\Component\HttpKernel\Kernel::VERSION;
 
         parent::__construct($dsn, $options);
     }

test/SentrySymfonyClientTest.php

@@ -22,13 +22,16 @@ public function test_that_it_forwards_options()
     {
         $client = new SentrySymfonyClient('https://a:[email protected]/project', [
             'name' => 'test',
+            'tags' => ['some_custom' => 'test'],
         ]);
 
         $data = $client->get_default_data();
 
         // Not a big fan of doing this kind of assertions, couples tests to external API...
         // Perhaps, refactor is needed for this class?
         $this->assertEquals('test', $data['server_name']);
+        $this->assertEquals(\Symfony\Component\HttpKernel\Kernel::VERSION, $data['tags']['symfony_version']);
+        $this->assertEquals('test', $data['tags']['some_custom']);
         $this->assertEquals('https://app.getsentry.com/api/project/store/', $client->getServerEndpoint(null));
         $this->assertEquals('a', $client->public_key);
         $this->assertEquals('b', $client->secret_key);