feature: Show composer status in web validate. (#8181)

* Show composer status in web validate.
Don't duplicate in validate.php

* Create variable to check if a group has been completed.
No longer skips database checks.
Extract a base class.
Fix locate_binary and find_executable issues (mostly exposed by lack of db)

* Update Validator.php

LibreNMS/Validations/Configuration.php

@@ -26,10 +26,9 @@
 namespace LibreNMS\Validations;
 
 use LibreNMS\Config;
-use LibreNMS\Interfaces\ValidationGroup;
 use LibreNMS\Validator;
 
-class Configuration implements ValidationGroup
+class Configuration extends BaseValidation
 {
     /**
      * Validate this module.
@@ -44,14 +43,4 @@ class Configuration implements ValidationGroup
             $validator->warn('You have the old alerting system enabled - this is to be deprecated on the 1st of June 2015: https://groups.google.com/forum/#!topic/librenms-project/1llxos4m0p4');
         }
     }
-
-    /**
-     * Returns if this test should be run by default or not.
-     *
-     * @return bool
-     */
-    public function isDefault()
-    {
-        return true;
-    }
 }