added litreview, quiz1, and bugfix
added litreview, quiz1, and bugfix


Former-commit-id: 81cccc139ace6bf9af4b1b12de0840275eaa2343 [formerly 58ac63d22a4735011201f3bb1f524ae18fa8a8cd] [formerly de1d6297743dbe6b20cbec58aba023f1a597bc3d]
Former-commit-id: eb69104cbd3fc1f8d73878c19662db944b9ee42e [formerly c9db26a641449e9761e5067a085eac731e6d0280]
Former-commit-id: 6d3b9f8937fec091fc7557de632fa69d0d5971d2
ritjoe/ofCourse,ritjoe/ofCourse,ryansb/ofCourse,sctjkc01/ofCourse,sctjkc01/ofCourse,ryansb/ofCourse