Merge branch 'master' of https://github.com/hyperkitty/hyperkitty into HEAD
Merge pull request #17 from nka11/unicode_archiver

Unicode archiver
KittyStore's cron job is gone, update the doc
Better error handling in MailmanUserMetadata middleware
Merge branch 'master' of https://github.com/hyperkitty/hyperkitty

Register user in mailman if not exist

works with mailman fix https://code.launchpad.net/~nkarageuzian/mailman/usermanagement

Conflicts:
	hyperkitty/middleware.py