add m3 instances for ec2 Oregon

Closes #292

Signed-off-by: Tomaz Muraus <tomaz@apache.org>
GCE: fix adding node metadata at node creation

Closes #283

Signed-off-by: Tomaz Muraus <tomaz@apache.org>
Fix container name encoding in iterate_container_objects and
get_container_cdn_url method in the CloudFiles driver.

Reported by Brian Metzler part of LIBCLOUD-552.
Added support for openstack compute availability zone.

Closes #295

Signed-off-by: Tomaz Muraus <tomaz@apache.org>
Update changelog.
LIBCLOUD-553: Add support for the Outscale INC cloud.

This commits add the support for Outscale INC a parent company of Outscale SAS
working under the American laws.

Closes #293

Signed-off-by: Tomaz Muraus <tomaz@apache.org>
Re-generate supported providers list.
Allow user to pass filters to ex_list_networks method in the EC2 driver.

Tomaz: Fix tests and lint.

Closes #294

Signed-off-by: Tomaz Muraus <tomaz@apache.org>