- solr.xslt autor and author_sort are now sorted by @SortOrder

- composer updates
- new artisan command 'update:dataset {dataset : The ID of the dataset}' for updating solr index for specific datasets
- DatasetExtension.php: alaso svae 'sort_order' for authors and contributors
- twice solr.xslt: sort authors also in solr index

app/Console/Kernel.php

@@ -15,7 +15,8 @@ class Kernel extends ConsoleKernel
         'App\Console\Commands\Inspire',
         'App\Console\Commands\DatasetState',
         'App\Console\Commands\SolrIndexBuilder',
-        'App\Console\Commands\Log\ClearLogFile'
+        'App\Console\Commands\Log\ClearLogFile',
+        'App\Console\Commands\UpdateSolrDataset'
     ];
 
     /**