Add openchange-2.2-NANOPROBE release notes
Add preliminary info on openchange-2.3-VULCAN
Update build numbers page
Add link to the video of the talk
Merge branch 'master' of https://github.com/openchange/website
Merge branch 'master' of https://github.com/openchange/website
Merge branch 'master' of https://github.com/openchange/website
Add news about openchange-2.2 NANOPROBE
Update sogo cookbook to the latest version: no more openldap,
mysql usage