[OS X Mavericks, failing specs and libxml](http://blog.planetargon.com/entries/2013/10/24/os-x-mavericks-failing-specs-and-libxml)

[3 Quick Tips for Coding with OS X 10.9 Mavericks](http://blog.new-bamboo.co.uk/2013/10/24/3-quick-tips-for-coding-with-os-x-10-9-mavericks)
Some good tips on homebrew and xcode to get compiling working

[Install Ruby on Rails · Mac OS X Mavericks](http://railsapps.github.io/installrubyonrails-mac.html)
RVM / Homebrew / Git

### Issues / PR
[capybara-webkit: CoreText performance note](https://github.com/thoughtbot/capybara-webkit/issues/581)