Renamed general and mode constants and implemented a check to verify that constants are just defined ones over the whole repository

roles/srv-web-7-7-inj-matomo/templates/matomo-tracking.js.j2

@@ -14,6 +14,6 @@ _paq.push(["enableLinkTracking"]);
   g.async=true; g.src=u+"matomo.js"; s.parentNode.insertBefore(g,s);
 })();
 
-{% if enable_debug | bool %}
+{% if MODE_DEBUG | bool %}
 console.log("Matomo is loaded.");
 {% endif %}