caches courses for course index page
caches courses for course index page

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