Changes to EDU Terms Part III: Define faculty and staff

Part III adds definitions for faculty, student, and staff.

Please see related issue and related Epic

Part I:

• Adds definition for Instructional Use
• Adds definition for Non-Commerical Academic research

Part II:

• Defines the educational institution
• Limits the educational license to use by the educational institution

Conformity

• Added description to this MR explaining the reasons for the proposed change, per say-why-not-just-what