2023W1/W2 Changes

[rtholmes]

Work for the 2023 term will take place here.

• [x] #102 better scale job scheduling for large classes (most important change by far)
• [x] #104
• [x] #13 add the ability to remove a grader image from the ui
• [x] #101 Speed up repo creation with template repos
• [x] #41 get repair database page to work again
• [x] #103 improve provisioning/release spinner
• [x] Building was broken due to bad npm configuration this was breaking CI
• [x] Make repo provisioning much more robust
• [x] Improve sorting in all Classy tables
• [x] Fix rendering problems where dashboard tests had special characters
• [x] Improve logging
• [x] Many documentation updates

[rtholmes]

1164f44 ended up being an important change. For some reason the old build was polluted with references to a less-than-optimal NPM registry.