Fixing Homebrew URL

The url is outdated
Merge pull request #136 from oieduardorabelo/patch-1

Fixing Homebrew URL
.md wins
sfs never went anywhere
out with the things I don't use
Simplify the symlink a bit more
Quit pretending like I haven't been using Atom for over a year
Replace "." with "source" in script/bootstrap
Merge pull request #138 from christianbundy/dot-to-source

Replace "." with "source" in script/bootstrap
Merge remote-tracking branch 'upstream/master'