Issue is common to date pickers in both https://waybackassets.bk21.net/instructor/logs/ and https://waybackassets.bk21.net/instructor/sessions/edit/ (audit logs and edit feedback session)

Type in an incorrect date in the date picker, and the following error message will show up:

<img width="1237" alt="Screenshot 2021-06-29 at 12 43 54 AM" src="https://user-images.githubusercontent.com/41856541/123673503-1f209600-d873-11eb-8e43-9e7d6833f52

Currently our images are too big. The header image we're using is 4mb. Loading on mobile is slow.

Acceptance criteria:

• There are small, medium, and large versions of each image
• All images are compressed to the highest amount that does not affect human-eye quality
• Which size image is loaded is based on the screen size of the website user

In the near future, there may be different ima

We have openpose v1.5.1 submodule on our codebase, but recent release of Openpose v1.6.0 breaks our Docker build.

Error log:

Step 16/28 : RUN cmake /openpose && make -j 8 && make install
**OMITTED**
-- Found glog    (include: /usr/include, library: /usr/lib/x86_64-linux-gnu/libglog.so)
-- Found Protobuf: /usr/lib/x86_64-linux-gnu/libprotobuf.so;-lpthread (found version "3.0.0")
-- 

Which module(s) and week(s) does this change affect?
Module(s): all modules
Week(s): all weeks

What is the work that needs to be done?
In "Instructor Notes" or its own page if people think that's better, a section to collect differentiated 'check in' questions on the learning objectives of that lesson.

Why is this work important to do?
Teachers want guidance on good question

While the app does have an icon, never in the app itself is it used. this would be a great thing to fix in the future.