PSR-2 compliance (#3105)

* Add composer.lock to .gitignore

* Put direct link to coding standards description

* Fix spacing

* Fix code style for ext and symfony-shim

* Fix PSR2 compliance issues

* Fix PSR2 compliance issues

* Add generated test files to gitginore

* Fix PSR2 compliance issues in tests

* Get rid of long code lines in tests to comply PSR2

* Get rid of long code lines to comply PSR2

* Add code style rule set

* Fix wrong indentation

* Improve code style

Author: MAXakaWIZARD

src/Codeception/Lib/Connector/Universal.php

@@ -62,7 +62,9 @@ public function doRequest($request)
                 $headers[$name] = trim(implode(':', $parts));
             }
         }
-        $headers['Content-type'] = isset($headers['Content-type']) ? $headers['Content-type'] : "text/html; charset=UTF-8";
+        $headers['Content-type'] = isset($headers['Content-type'])
+            ? $headers['Content-type']
+            : "text/html; charset=UTF-8";
 
         $response = new Response($content, 200, $headers);
         return $response;