[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
[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'
Create separate Gemfile for Ruby 1.8.7
Update nokogiri dependency to version ~>1.5
Passing the connection_options parameter to underlying Fog::Storage object.

This aids in scenarios where you want to maintain the s3.amazonaws.com hostname
(for S3 client compatibility), but want to store data in Riak CS.
Passing the connection_options parameter to underlying Fog::Storage object
for Fog::RiakCS::Provisioning.
[openstack|volume] support imageRef option

Volumes can be created with the imageRef option, which dictates which
image to base the volume off.
[openstack|compute] support block_device_mapping

Servers can be booted with block_device_mapping instead of image_id.
Loop over Marker header in 'all', remove 'each'
Add note about installing on Ruby 1.8.7 [ci skip]
Restore implementation of each/all
[Openstack|volume] Add #get to volumes collection

This fixes reloading Volume objects and makes it consistent with other
collections.

Keeping find_by_id as an alias for compatibility.
Added rackspace monitoring with correct namespace

These files were merged from github.com/racker/rackspace-monitoring-rb. The
namespace was different than the convetion in fog so the namespace was modified
to be compliant with the rest of the fog library.
Fixed file path to adhere to fog mainline
Fixing namespace transition issue