Updated Badges scope
Updated Badges scope

Second commit, updated badges_controller with new scope and filter for staff

peterkshultz/gradecraft-development,UM-USElab/gradecraft-development,UM-USElab/gradecraft-development,mkoon/gradecraft-development,UM-USElab/gradecraft-development,zqian/gradecraft-development,UM-USElab/gradecraft-development,peterkshultz/gradecraft-development,zqian/gradecraft-development,mkoon/gradecraft-development,mkoon/gradecraft-development,zqian/gradecraft-development,peterkshultz/gradecraft-development