[openstack|identity] moved identity example to the examples directory

It seems that we're standardizing on adding examples to the examples
directory so move previous identity example to this directory.
Update changelog and bump version.
container sync attributes
Fix names of the container sync attributes.
Add Object Storage container sync feature.
[hp|compute] Add user_data option to create server call.
[hp|compute] Consolidate the simple mapped options parameters in the create server call.
[hp|compute] Add the capability to pass in user_data in the server model.
[hp|compute] Add user_data to the mock data structure.
[hp] Add Accept header with application/json for all HP requests.
[hp|compute] Fix mock for create server.
Update changelog and bump version.
[hp|compute] Add user_data option to create server call.
[hp|compute] Consolidate the simple mapped options parameters in the create server call.
[hp|compute] Add user_data to the mock data structure.
[hp|compute] Fix mock for create server.
Merge pull request #1667 from fog/merge_hpfog_0.0.20_release

Merge hpfog 0.0.20 release
[rackspace|compute_v2] updated compute_v2 to get the appropriate endpoint from the service catalog when an endpoint is specified via :rackspace_endpoint with one of the known constants (DFW_ENDPOINT, ORD_ENDPOINT, LON_ENDPOINT); updated compute examples to use rackspace region
[rackspace|compute_v2] fixed chef issue
Merge branch 'master' of github.com:fog/fog into default_endpoint