Change some ABORTS to ERROR. Add line number when COPY Failure.

src/backend/commands/_deadcode/version.c

src/backend/commands/cluster.c

src/backend/commands/command.c

src/backend/commands/copy.c

src/backend/commands/creatinh.c

src/backend/commands/dbcommands.c

src/backend/commands/defind.c

src/backend/commands/define.c

src/backend/commands/proclang.c

src/backend/commands/recipe.c

src/backend/commands/remove.c

src/backend/commands/rename.c

src/backend/commands/sequence.c

src/backend/commands/trigger.c

src/backend/commands/user.c

src/backend/commands/vacuum.c

src/backend/commands/view.c

src/backend/parser/gram.y

src/backend/parser/scan.l

src/backend/tcop/aclchk.c