cs: Switch to a stricter way of coding - this might break in a lot of places.

src/Bundle/ChillActivityBundle/Repository/ActivityACLAwareRepository.php

@@ -160,7 +160,7 @@ final class ActivityACLAwareRepository implements ActivityACLAwareRepositoryInte
 
         foreach ($reachableCenters as $center) {
             // we pass if not in centers
-            if (!in_array($center, $args['centers'])) {
+            if (!in_array($center, $args['centers'], true)) {
                 continue;
             }
             // we get all the reachable scopes for this center

src/Bundle/ChillActivityBundle/Repository/ActivityACLAwareRepositoryInterface.php

@@ -7,6 +7,15 @@
  * the LICENSE file that was distributed with this source code.
  */
 
+declare(strict_types=1);
+
+/**
+ * Chill is a software for social workers.
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
 namespace Chill\ActivityBundle\Repository;
 
 use Chill\PersonBundle\Entity\AccompanyingPeriod;