[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
[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
[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
Add basic error handling for Fog::AWS::SES.
Convert the raw_message for send_raw_email, just in case.

* This allows others to directly send Mail::Message objects via
  send_raw_email.
Raise Fog::AWS::SES::InvalidParameterError for InvalidParameterValue.