update git repository

$ git pull origin master
# For windows use
git update-git-for-windows
# else I guess?
git updateC:\> git update-git-for-windows
git pull origin master
git pull origin master_or_other_branch_nameFirst, navigate to the desired directory:

$ cd ~/Documents/GitHub/DI-NEON-participants

And then type:

$ git remote add upstream https://github.com/NEONS...

Update local repo using git pull with the added directions of 
upstream indicating the central repository and master specifying 
which branch you are pulling down:

$ git pull upstream master