Set pooler_timeout to 2 seconds and queue max to 20
Configure pooler timeout
Changelog for queueing configuration
Default to no queueing
Merge pull request #579 from opscode/of/queueing

Of/queueing
Expose "db_timeout" for sqerl in Erchef, bifrost and mover.

Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>