Compute agent logs far too verbose

[Nejc Saje]

Repeatedly logging all the data about each instance is too verbose for the INFO level, it should use the DEBUG level.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/123731

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/123731
Committed: https://git.openstack.org/cgit/openstack/ceilometer/commit/?id=5c82b11206ad662c0473c15891bb4f89713e3c24
Submitter: Jenkins
Branch: master

commit 5c82b11206ad662c0473c15891bb4f89713e3c24
Author: Nejc Saje <email address hidden>
Date: Wed Sep 24 09:40:51 2014 -0400

    Change compute agent recurring logs from INFO to DEBUG

    Repeatedly logging all the data about each instance is too verbose
    for the INFO level, it should use the DEBUG level.

    Change-Id: I5420c74e364790b2ff0a875337d5cd4d002ab5b5
    Closes-Bug: #1373427