thoughtbot/dotfiles — pull request #186 by JoelQ (2013-08-27 16:57:43+00:00)
Title: Set up copy/paste in tmux

Based on this post:
http://robots.thoughtbot.com/post/55885045171/tmux-copy-paste-on-os-x-a-better-future

Allows vim-like visual-select followed by yanking to the clipboard