Attach nameservers directly to domain

db/migrate/20140911101310_add_domain_directly_to_nameserver.rb

@@ -0,0 +1,8 @@
+class AddDomainDirectlyToNameserver < ActiveRecord::Migration
+  def change
+    add_column :nameservers, :domain_id, :integer
+    remove_column :nameservers, :ns_set_id
+    drop_table :nameservers_ns_sets
+    drop_table :ns_sets
+  end
+end

db/migrate/20140911101604_clean_redundant_fields.rb

@@ -0,0 +1,8 @@
+class CleanRedundantFields < ActiveRecord::Migration
+  def change
+    drop_table :domain_nameservers
+    remove_column :domains, :admin_contact_id
+    remove_column :domains, :technical_contact_id
+    remove_column :domains, :ns_set_id
+  end
+end