schema fixes

asadduser.py

@@ -16,15 +16,11 @@ parser.add_argument('--password', '-p',
 parser.add_argument('--application', '-a',
                     help='Application', 
                     required=True)
-parser.add_argument('--issuer', '-i',
-                    help='Issuer', 
-                    required=True)
 
 args = parser.parse_args()
 user = args.user
 password = args.password
 application = args.application
-issuer = args.issuer
 
 
 DB_USER = os.environ["DB_USER"]
@@ -43,13 +39,9 @@ try:
 
     cur = conn.cursor()
     cur.execute("""
-INSERT INTO users (issuer, login, password)
-  VALUES(
-      (SELECT id FROM issuers WHERE name = ?),
-      ?,
-      ?
-  )
-""", [issuer, user, pwhash])
+INSERT INTO users (login, password)
+  VALUES(?, ?)
+""", [user, pwhash])
     cur.execute("""
 INSERT INTO  user_applications_mapping (application, user)
   VALUES(