specifying PSR-2 level checks

.scrutinizer.yml

@@ -4,10 +4,16 @@ tools:
     php_analyzer: true
     php_mess_detector: true
     php_changetracking: true
-    php_code_sniffer: true
-    php_cs_fixer: true
     sensiolabs_security_checker: true
 
+    php_code_sniffer:
+        config:
+            standard: 'PSR2'
+
+    php_cs_fixer:
+        config: 
+            level: 'psr2'
+
 filter:
     excluded_paths:
         - 'test/*'