Silence REINDEX

Previously REINDEX DATABASE and REINDEX SCHEMA
produced a stream of NOTICE messages. Removing that
since it is inconsistent for such a command to
produce output without a VERBOSE option.
pg_xlogdump/.gitignore: add committsdesc.c

Author: Michael Paquier
Add a regression test suite for SSL support.

It's not run by the global "check" or "installcheck" targets, because the
temporary installation it creates accepts TCP connections from any user
the same host, which is insecure.