issue2551251 - migrate pbkdf2 passwords if more rounds configured migrate/re-encrypt PBKDF2 password if stored password used a smaller number of rounds than set in password_pbkdf2_default_rounds. Also increase fallback number of rounds (when not set in config) to 2,000,000.

#!/usr/bin/env python
from __future__ import print_function
import zlib, base64, sys
print(base64.encodestring(zlib.compress(sys.stdin.read())))