basic osx setup

Open Xcode > Preferences > Downloads, click Command Line Tools, then click Install.

Run ```$ sudo vim /etc/paths``` and move ```/usr/local/bin``` to the top line.

```bash
$ /usr/bin/ruby -e "$(/usr/bin/curl -fsSL https://raw.github.com/mxcl/homebrew/master/Library/Contributions/install_homebrew.rb)"

$ brew install git
$ brew install mysql
$ sudo mysql_install_db --verbose --user=root --basedir="$(brew --prefix mysql)" --datadir=/usr/local/var/mysql --tmpdir=/tmp
$ mysql.server start
$ mysql.server start
```

ruby -e "$(curl -fsSL https://raw.github.com/mxcl/homebrew/go)"