Add Java code for storing and using IDN tables per-TLD (#1977)

This includes changes to make sure that we use the proper per-TLD IDN
tables as well as setting/updating/removing them via the Create/Update
TLD commands.

db/src/main/resources/sql/schema/db-schema.sql.generated

@@ -724,6 +724,7 @@
         drive_folder_id text,
         eap_fee_schedule hstore not null,
         escrow_enabled boolean not null,
+        idn_tables text[],
         invoicing_enabled boolean not null,
         lordn_username text,
         num_dns_publish_locks int4 not null,