[openstack|metering] Added metering service for Ceilometer
[openstack|metering] Allow multiple filtering queries
Merge pull request #1 from alvingarcia/metering

[openstack|metering] Allow multiple filtering queries
Used publicURL as default endpoint type for OpenStack network
Support filters in images collection
Fix test
[openstack|metering] Fix get_statistics mock
Merge pull request #2 from alvingarcia/openstack-metering

[openstack|metering] Fix get_statistics mock
Rename 'each' method to 'each_page'
Uping version to v1beta15
[google|compute] Change default image to most recent version of wheezy.
trying to fix sshable? for gce
more attempts to get ssh in compute workings.
temporary debug info.
[openvz] Fixes #1871 test helper callback

This moves the setting up of an `at_exit` callback from when the file
is required to when the matching helper is used.

This prevents it failing on any run where OpenVZ is excluded.
Authentication + get_organizations working, need to be cleaned up
get_organization implemented
refactor get_organizations, not overriding the path, require parses in the request class
get_catalog implemented
get_catalog_item implemented