First navigate into your Eclipse Workspace folder from the command line.
git clone https://git-teaching.cs.bham.ac.uk/mod-team-proj-2016/c3.git.
Open up Eclipse and click on
File->New->Java Project.... Type in
c3 for the project name and press Finish.
Window->Preferences, then navigate to
Java->Build Path->User Libraries. Press
Browse... and navigate to the project location. Then double click on
libs.userlibraries, and press Ok, and Ok again.
Finally! Everything should be imported and setup correctly.