Attach Volume Feature with Test.

Attach Volume Feature with Test.

initial files for Attach Volume.

Attach Volume Feature with Test.

Fixed the request attach volume request url.

Updated Document URL.
Final files for Attach Volume and Detach Volume Feature.
Merge branch 'develop' of github.com:musashi-dev/aviator into feature/AVIATORAPI_50_51_FC
initial implmentation for support keystone V3
keystone v3 support

- create token
- list projects
updated tests
factor out version extraction
updated tests
Comment-out sleep, need for testing locally only.
towards supporting keystone V3

-normalize session data
towards keystone v3

- allow api version to be selected
- use session_data
updated tests
[image][v2] Add list_images request
[image][v2] Add get_image request
[image][v2] Add delete_image request
Merge branch 'feature/keystonev3' into feature/refactor/keystone

Conflicts:
	lib/aviator/core/service.rb
	lib/aviator/core/session.rb
	lib/aviator/core/session_data.rb
	lib/aviator/openstack/common/v3/public/base.rb
	test/support/request_helper.rb
keystone v3
[compute] Add list_floating_ips_by_host request
Merge pull request #26 from rolandoalvarado/feature/AVIATORAPI_50_51_FC

Attach and Detach Volume Feature with Test
Merge pull request #28 from choodur/feature/AVIATORAPI-52

[AVIATORAPI-52] v2 Image API