[React Branch] Remove remaining instances of jQuery to simplify dependency management

[clpetersonucf]

jQuery is only used in a few locations:

• The score summary distribution graph in My Widgets
• The student performance distribution graph in the score screen
• The question importer dialog
• The media importer dialog
• The qset history dialog

All of these should be able to have the jquery removed and replaced fairly easily. It'd be nice to either use a homegrown distribution graph component or a more modern off-the-shelf solution that can be turned into a component.

[emanuelGitCodes]

I already completed the bar graph in My Widgets. Where is the student performance distribution graph generated?

[emanuelGitCodes]

Apart from the

• The score summary
• The student performance distribution graph

I don't see any jQuery in any of the others components mentioned.

[emanuelGitCodes]

Created a pull request called Multiple issues #1417

[clpetersonucf]

Completed.