Corrected a few filenames which I noticed didn't match up.
Merge pull request #116 from yomimono/master

hello-world.md: Corrected a few filenames which I noticed didn't match up.
add notes from weekly call
add notes to built site
Merge pull request #117 from amirmc/weekly

add notes from weekly call 2013-03-18
add a couple of blog posts from @amirmc and @yomimono