Tags: ByteInternet/libcloud

Bump version to 0.18.0.

Fix Python 2.5 compatibility issue.

Merge LIBCLOUD-712_fix-ec2-sigver into trunk

closes apache#712

Merge trunk into byte

Merge add-snapshotid-to-ec2-and-os-volumes-extra into byte

Merge openstack-create-volume-snapshot into byte

Merge branch 'aws-signature-v4' into byte

Merge uniform-snapshot-creation-attribute into master

Fix pep8 violations which were exposed / reported by new version of p…

…ep8.

Fix pep8 violations which were exposed / reported by new version of p…

…ep8.