Fix Mock#allocate_address method arity
Fix Mock#get_snapshot_details argument
Fix Mock#get_volume_details argument
Fix Mock#list_servers method arity
Fix Mock#remove_fixed_ip arguments
Fix Mock#update_server arguments
Merge pull request #1614 from blowmage/fix_openstack_mock_methods

Fix openstack mock methods
[rackspace|databases] removed trailing stash from hard coded endpoints; added accept header
[rackspace] adding accept headers to block_storage, cdn, compute_v2, databases, identity, load_balancers, storage
Switch gem source to https://rubygems.org
Merge pull request #1616 from rubiojr/gemfile-updated

Switch gem source to https://rubygems.org
Revert "[rackspace] adding accept headers to block_storage, cdn, compute_v2, databases, identity, load_balancers, storage"

This reverts commit e438f21e68c84e3685f3c6a1effc640c60f253c9.
Merge pull request #1615 from rackspace/db_fix

[rackspace] Fixed DB Service endpoints and added accept headers
Revert "Revert "[rackspace] adding accept headers to block_storage, cdn, compute_v2, databases, identity, load_balancers, storage""

This reverts commit f64e312e92b88e5c5459a97e02064b643facafc5.
[rackspace|database] remove extraneous colon
Merge pull request #1617 from rackspace/bye_colon

[rackspace|database] remove extraneous colon from accept header
[rackspace] fixing merge
[openstack|identity] user model tests fixes

- update_tenant expects a tenant model or a tenant_id
- update_enabled expects a boolean
[openstack|identity] cleanup the test role when no longer in use
[openstack|compute] images collection should not return nil for #all

Fog::Compute[:openstack].images.all returns nil without the patch.
The patch should bring the images collection behaviour in-line with
other collections I think.

The added test should expose the issue.