- add SolrIndexBuilder artisan command

- Sitelinkcontroller: data filter via raw sql
- primary key for HasValue model
- config/solarium.php new config values
- bug on migration fie for document_xml_cache

app/Console/Kernel.php

@@ -13,7 +13,8 @@ class Kernel extends ConsoleKernel
      */
     protected $commands = [
         'App\Console\Commands\Inspire',
-        'App\Console\Commands\DatasetState'
+        'App\Console\Commands\DatasetState',
+        'App\Console\Commands\SolrIndexBuilder'
     ];
 
     /**