When tagging Hive tables, one can now get the same tag on the underlying directory on HDFS.
Same when creating a policy for a Hive table or database, one can get the same policy for the underlying directory on HDFS.
Cobra-policytool looks up storage location of the table in metastore.
Other things:
* deny rules for tags
* better validation of policies and error messages.
* automatic builds
* fix version requirements
* do universal read of files for better stability