Use "all" in debian/pgversions.

* Use "all" in debian/pgversions.
* B-D on pg-common 158 to build against 9.3 and 9.4.
* Use pg_buildext installcheck.
* Set team as maintainer.
releasing package pgfincore version 1.1.2-2
Merge branch 'debian'
Upload to unstable for 9.4.
Merge branch 'debian'