code: function getSharedProjects(req, res, callback) {
          var projects = [];
          userProjects.getUserSharedProjects(req.user.username)
          .then(function(sharedProjects) {
              function add(lst) {
                  lst.forEach(function(project) {
                      //update the name of the project to include the original owner's username,
                      //so that projects with the same name can be differentiated.
                      project.Name = project.Name + " (" + project.Location.split(path.sep)[2] + "'s workspace)";
                      projects.push(project);
                      if (project.Children) add(project.Children);
                  });
              }
              if (sharedProjects) {
  	            add(sharedProjects);
              }
              callback(projects);
          });
      }
docs: Returns the projects (Location and name) shared to this user.