Merge pull request #154 from avsm/master

track HN thread in linklog (possibly too spammy, can rearrange later)
add German 0Install article to link roll
Merge pull request #158 from amirmc/links

add German 0Install article to link roll
add notes from call on 2014-07-08
add notes to site
fix typo
add blog post on nocrypto

One of the series of posts described at:
https://github.com/mirage/mirage/issues/257
add post to live site
Merge pull request #159 from amirmc/weekly

Add notes from call on 2014-07-08
add link to nocrypto post
Merge branch 'blog' of git://github.com/amirmc/mirage-www
rename title slightly
elaborate on xen rnd approach