Clone and add remote branches to your project.

gistfile1.sh

git clone https://github.com/brooklyndevs/metroly-html5.git
git branch dev origin/dev

# At this point you have master and dev branch
# You can check what branch you are on by typing:
git branch

# To switch between branches use the git checkout followed by the branch name:
git checkout dev

# Do your work, commit as much as you like. Note: You always need to commit
# before attempting to switch branches.

# PUSHING YOUR CHANGES #
# ==================== #

# You can push your changes to branches individually. Like this:
git push origin <whatever branch you are on>