Add changelog link
Add 7.0.0 changelog
fix link to the mukt and add white version of lwn.net logo
Merge pull request #258 from owncloud/conference

fix link to the mukt and add white version of lwn.net logo
Merge pull request #252 from owncloud/changelog

Add 7.0.0 changelog
Merge pull request #260 from owncloud/master

Update Live