Calling .lower() on the student e-mail so that it's case insensitive and won't confuse gravatar when its hashed.
Calling .lower() on the student e-mail so that it's case insensitive and won't confuse gravatar when its hashed.


Former-commit-id: c47111fc9204ae69e800eb9ca7b5aaf6dec9fd98 [formerly bcad8c9e99831413d8e7af43bdb45bfcd831dd24] [formerly c7ac9a5b4e6e6d1074f66a32caf57aca46d435c1]
Former-commit-id: 0fc03b7e08c1e67f983cb4e04d5c670bf8c01119 [formerly e31c59371a26a88f585623b461491c168bb23c3a]
Former-commit-id: ab4db2b34208aca5e7754d09fea4da3fcd31bf9a
sctjkc01/ofCourse,ryansb/ofCourse,ryansb/ofCourse,sctjkc01/ofCourse,ritjoe/ofCourse,ritjoe/ofCourse