REL_14_21
Adjust sepgsql expected output for 681d9e4 et al.
Remove gratuitous uses of deprecated SELECT INTO
Minor sepgsql regression test fixes.
Split all OBJS style lines in makefiles into one-line-per-entry style.
Update copyright for 2021
Centralize the logic for protective copying of utility statements.
Update sepgsql to add mandatory access control for TRUNCATE
sepgsql_setcon().