Require some tags

* require_revhistory
* require_meta_title
* require_meta_description
* require_meta_series

Author: tomschr

python-scripts/metadatavalidator/metadatavalidator.ini

@@ -9,15 +9,15 @@ require_revhistory = on
 require_xmlid_on_revision = 1
 
 # <meta name="title">
-require_meta_title = off
+require_meta_title = on
 meta_title_length = 55
 
 # <meta name="description">
-require_meta_description = off
+require_meta_description = on
 meta_description_length = 150
 
 # <meta name="series">
-require_meta_series = off
+require_meta_series = on
 valid_meta_series = Products & Solutions, Best Practices, Technical References
 
 # <meta name="techpartner">