Git
From charlesreid1
Routine Git Operations
Stop Github Asking for Username and Password
Step 1: Set up Github SSH Keys
https://help.github.com/articles/generating-ssh-keys
Step 2: Switch Repos from HTTPS to SSH
http://stackoverflow.com/questions/10126381/why-does-github-keep-asking-me-for-repo-credentials
git remote set-url origin git@github.com:user/repo.git