Consolidated list tests, added alarm tests.
Merge pull request #1963 from burns/slo_support

[rackspace|storage] add methods for SLO support
[rackspace|storage] fix tests under ruby-1.8.7
[rackspace|storage] add #delete_multiple_objects
[rackspace|storage] patch #delete_multiple_objects for Swift v1.8

This commit addresses an issue where the Content-Type header is not
being set correctly in the response. This has been fixed in Swift v1.9.
openstack/swift@ad24cde120efe73fe5a9b866f74c7d3c766aa4cb

The tests have also been updated so they don't rely on changes in Swift v1.9
that affect the response body when errors are reported.
openstack/swift@6768d5b4be3e3922d8077b6c603586c1b7df2d07
Merge pull request #1962 from burns/delete_multiple_objects

[rackspace|storage] add #delete_multiple_objects
Merge branch 'master'
[Openstack|Volumes] alias type to volume_type

This makes the changes consistent with how it previously worked.
Merge pull request #1922 from grk/volume-create-image-ref

OpenStack: create volumes from images, boot servers with block device mapping
Added alarm list and alarm get tests
Removed unneeded testing group
Adding alarm example list, get, and evaluate tests
add(rackspace monitoring): list notification plans

* Added support for listing Rackspace Monitoring notification plans
rackspace keypairs: add some Mocks
[aws|storage] parse #complete_multipart error
Merge pull request #1967 from burns/aws_complete_multipart

[aws|storage] parse #complete_multipart_upload error
test(rackspace_monitoring): Add specific test group

* Test group rackspace_monitoring includes all rackspace monitoring
  tests
Release 1.13.0
Merge pull request #1905 from sferik/update_nokogiri_dependency

Create separate Gemfile for Ruby 1.8.7
add coveralls to Gemfile.1.8.7