Footer - Review and redesign

[ewlarson]

The application footer has not been reviewed for a few years now.

Pages to address

• Harmful language statement
• Privacy policy
• Accessibility statement

Also, do we still need the UMN IT footer?

[ewlarson]

Tasks

• [x] Move Feedback to Top
• [x] Remove extra "white" margin above UMN footer
• [x] Remove Help us button