Christophe de Vienne <christophe@unlish.com> [Mon, 06 Oct 2014 10:34:38 +0200] rev 10038
[devtools][pg] Activate the non-durability settings of Postgresql.
It speed up the PG tests by a factor of 3.
See http://www.postgresql.org/docs/current/static/non-durability.html.