Update database source documentation for 9.6 compatibility
What does this MR do?
Update Geo PostgreSQL instructions for install by source, to match the change for PostgreSQL 9.6 as minimum requirement.
Fixes #1746 (closed)
cc @stanhu
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Update Geo PostgreSQL instructions for install by source, to match the change for PostgreSQL 9.6 as minimum requirement.
Fixes #1746 (closed)
cc @stanhu