Enable code rating, duplication check and analytic tools

.scrutinizer.yml

@@ -3,6 +3,8 @@ filter:
 
 checks:
     php:
+        code_rating: true
+        duplication: true
         remove_extra_empty_lines: true
         remove_php_closing_tag: true
         remove_trailing_whitespace: true
@@ -18,6 +20,9 @@ checks:
         fix_doc_comments: true
 
 tools:
+    php_sim: true
+    php_pdepend: true
+    php_analyzer: true
     external_code_coverage:
         timeout: 600
         runs: 3