Add POD docs to PostgresNode

Alvaro Herrera <alvherre@alvh.no-ip.org>

Commit: e64009303d4e2434abafbdafe4d571cc4f279d39
Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
Date: 2016-02-26T00:31:52Z
Releases: 9.6.0
Add POD docs to PostgresNode

Also, the dump_info method got split into another method that returns
the stuff as a string instead of just printing it to stdout.

Add a new README in src/test/perl too.

Author: Craig Ringer
Reviewed by: Michaël Paquier

Files

PathChange+/−
src/test/perl/PostgresNode.pm modified +366 −29
src/test/perl/README added +53 −0