Partial fix for bug 1347164 - test packaging

build-traf.sh now accepts more than one target, and reports the *tgz files
made, if any.

In macros.yaml, pkg-traf makes all possible tgz files by using two targets,
package and pkg-sql-regress.

Change-Id: Ia8c8ef0fbafe94323631342f644ffad62b77f464