Merge pull request #128 from avsm/master

Add a Changes entry
Merge pull request #129 from avsm/master

changelog layout fixes
add notes from call on 2014-04-29
add call notes to live site
Merge pull request #130 from amirmc/weekly

Add notes from call on 2014-04-29
Merge pull request #131 from avsm/master

sync changelog
Add summer hackers blog post
+Thomas Leonard to the about list