Major bug fixes to Celery

[Harman-Aalto]

-Fixed Security bug
-Added Flower and revproxy to PIP list
-Implemented Flower dashboard
-Added guide to test Flower locally
-Update Celery .service files
-Added url path for Flower
-Added log folder
-New recompare all exercises button (Bugged)
-New Celery task route for db updates
-Django output to logs folder
-New settings.py options
-Fixed bug that caused submission comparison page to crash
-Fixed bug that caused links not to work in students view -Improved how Celery matcher.py works
-Improved matching performance
-Celery tasks occasionally get stuck(?) Fixes #94
-Remove submissions which are the same as template Fixes #77
-RabbitMQ message sizes may get very large and cause problems Fixes #38

Description

What?

Major fixes to Celery

Why?

Radar crashes

How?

Hardwork

Fixes #38 #77 #94

Testing

Remember to add or update unit tests for new features and changes.

• How to test your changes in A-plus
• How to test accessibility

What type of test did you run?

• Accessibility test using the WAVE extension.
• Django unit tests.
• Selenium tests.
• Other test. (Add a description below)
• Manual testing.

Tested in production

Did you test the changes in

• Chrome
• Firefox
• This pull request cannot be tested in the browser.

Think of what is affected by these changes and could become broken

Translation

• Did you modify or add new strings in the user interface? (Read about how to create translation)

Programming style

• Did you follow our style guides?
• Did you use Python type hinting in all functions that you added or edited? (type hints for function parameters and return values)

Have you updated the README or other relevant documentation?

• documents inside the doc directory.
• README.md.
• Aplus Manual.
• Other documentation (mention below which documentation).

Is it Done?

• Reviewer has finished the code review
• After the review, the developer has made changes accordingly
• Customer/Teacher has accepted the implementation of the feature

Clean up your git commit history before submitting the pull request!