Merge pull request #79 from avsm/master

Edit date to reflect when blog post went live
blog: xensummit 2013 not 2012; correct link to youtube video
Merge branch 'master' of https://github.com/mirage/mirage-www

Conflicts:
	tmpl/blog/decks-n-drums.md
Merge pull request #80 from mor1/master

blog: xensummit 2013 not 2012; correct link to youtube video
Add a couple more links from Lars