master <- trunk

[hisahi]

Short description

• opening final review opens also last peer review and vice versa #544: opening final review opens also last peer review and vice versa
• Export student table CSV as instructor #611: Export student table CSV as instructor
• Do not define React components inside other components #740: Do not define React components inside other components
• Merge BrowseReviews and CoursePage student view #757: Merge BrowseReviews and CoursePage student view
• Selected students leak across courses #822: Selected students leak across courses
• Bypass HorizontalScrollable on mobile #825: Bypass HorizontalScrollable on mobile
• Check permissions correctly for endpoints #826: Check permissions correctly for endpoints
• Properly hide instructor-column #829: Properly hide instructor-column
• Add or remove tag changes (remove the trashcan) #832: Add or remove tag changes (remove the trashcan)
• Issue checking fails if letter case does not match repo #839: Issue checking fails if letter case does not match repo
• Horizontal scrolling should be possible with arrow keys #857: Horizontal scrolling should be possible with arrow keys
• Selecting instructor should not have "save" button #860: Selecting instructor should not have "save" button
• Teacher should be able to mark registration as invalid #837: Teacher should be able to mark registration as invalid
• Column for creating code reviews should be merged with column that is used for selecting code review #854: Column for creating code reviews should be merged with column that is used for selecting code review
• Instructions for creating code review should be hidden if we are already creating a code review #853: Instructions for creating code review should be hidden if we are already creating a code review
• Text in "select code review" column is too light #855: Text in "select code review" column is too light
• "Show unassigned students" cannot filter when creating new code review. #495: "Show unassigned students" cannot filter when creating new code review.
• Notification should be shown if a review has new comments #838: Notification should be shown if a review has new comments
• Points should be a required field on week review #824: Points should be a required field on week review
  (...and possibly more)

DoD

I have:

• added actual code.
• produced clean code that passes ESLint.
• code that actually does what it should.
• documented the code or added documentation to the wiki.
• added or modified test(s).
• test(s) that actually pass.
• works in trunk branch