lp1915556 Course Material Trace Editing

lp1915556 Course Material Trace Editing

- Add Creator, Editor, Create_Time, and Edit_Time fields to Course_Module Course, Course Materials, Term, and Role tables and IDL
- Cursory handling within EG2 to prevent setting and editing the above fields directly in EG2

Signed-off-by: Kyle Huckins <khuckins@catalyte.io>
 Changes to be committed:
	modified:   Open-ILS/examples/fm_IDL.xml
	modified:   Open-ILS/src/eg2/src/app/staff/admin/local/course-reserves/course-associate-material.component.html
	modified:   Open-ILS/src/eg2/src/app/staff/admin/local/course-reserves/course-list.component.html
	modified:   Open-ILS/src/eg2/src/app/staff/admin/local/course-reserves/course-list.component.ts
	modified:   Open-ILS/src/eg2/src/app/staff/admin/local/course-reserves/course-page.component.html
	modified:   Open-ILS/src/eg2/src/app/staff/share/course.service.ts
	modified:   Open-ILS/src/sql/Pg/040.schema.asset.sql
	new file:   Open-ILS/src/sql/Pg/upgrade/XXXX.scheme.lp1915556-course-material-trace-editing-history.sql

Signed-off-by: Jane Sandberg <sandbergja@gmail.com>