Revert "Modified schema, changed sql reation script, moved all old scripts to db/old"
Revert "Modified schema, changed sql reation script, moved all old scripts to db/old"

This partially reverts commit 1856c2a941a1a8d759d1c85dcb7531d688011710.
to restore pg-populate.sql script.

EuropeanSpallationSource/openxal,EuropeanSpallationSource/openxal,EuropeanSpallationSource/openxal,EuropeanSpallationSource/openxal,EuropeanSpallationSource/openxal