relocate repo files so ND2 is the only code

lib/App/Netdisco/DB/schema_versions/App-Netdisco-DB-2-3-PostgreSQL.sql

@@ -0,0 +1,14 @@
+BEGIN;
+
+-- Database Schema Modifications for upgrading from 0.9x to 0.93
+
+ALTER TABLE device_port ADD COLUMN remote_type text;
+ALTER TABLE device_port ADD COLUMN remote_id   text;
+ALTER TABLE device_port ADD COLUMN vlan        text;
+
+ALTER TABLE device      ADD COLUMN vtp_domain  text;
+
+ALTER TABLE users       ADD COLUMN fullname    text;
+ALTER TABLE users       ADD COLUMN note        text;
+
+COMMIT;