Brenan/twitter-clone — pull request #1 by cahlan (2013-09-20 15:50:27+00:00)
Title: Gitignore ds store

Hey @Brenan, quick tip to avoid adding useless files like Mac OS's .DS_Store to your repo. You can add a .gitignore file that uses file patterns to ignore files in your git repository.

More on that here: https://help.github.com/articles/ignoring-files