TNL-797: Add Notes page.
Rename require-config.
create OAuth2 token, assumes 'edx-notes' OAuth client present in db
Fix sorting and unit name.
Add user to the view.
Fix bok-choy tests.
Address comments.
use fixture for Client preloading
bok-choy: remove ClientFactory in two more places
Fix docstrings.
mock runtime.get_real_user
Add auth token.
Fixed Bok-Choy test (wrong selector)
add ClientFactory to EdxNotesHelpersTest
Merge pull request #5968 from edx/anton/notes-page

[TNL-730] View All Notes page.