Revert "Revert "Replace favicon.ico""
Revert "Revert "Replace favicon.ico""

This reverts commit 45f721bbcb9dabde9724285ca2a74b4d5d48a9d0.

mjg2203/edx-platform-seas,mjg2203/edx-platform-seas,mjg2203/edx-platform-seas,mjg2203/edx-platform-seas