Get Stats call is returning negative value for age

[Amit Gandhi]

Stats call returns a negative value for the age

[Kurt Griffiths (kgriffs)]

The problem is in stat_message the math is reversed:

age = created - now

We need to add a regression test for this, and then fix it, obviously.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/50790

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/50790
Committed: http://github.com/openstack/marconi/commit/33f75cd5927e129e6de4fe2116abb5159fa0061a
Submitter: Jenkins
Branch: master

commit 33f75cd5927e129e6de4fe2116abb5159fa0061a
Author: kgriffs <email address hidden>
Date: Wed Oct 9 20:32:59 2013 -0400

    fix(mongo): Negative age reported in stats

    This patch includes a one-line fix, along with a regression test
    to verify the same.

    Change-Id: Iffb3cb7c243296b1caacc95e1edd3c6f63c34a4b
    Closes-Bug: #1237620

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/50995

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/50995
Committed: http://github.com/openstack/marconi/commit/2f844e1ef97f160fdcc728b40ebc91fc2253e5e4
Submitter: Jenkins
Branch: master

commit 2f844e1ef97f160fdcc728b40ebc91fc2253e5e4
Author: Malini Kamalambal <email address hidden>
Date: Thu Oct 10 13:45:30 2013 -0400

    Validation for messages returned by queue/stats

    This patch updates the queue/stats tests to include validation for message age
    (0 <= age <= message_ttl_max), href & created time.

    Tests Bug: #1237620

    Change-Id: I7c6dfd10b94c8ac64247d687ac31783522b8f3d0