Add Support for Mac Address

The new docker api allows specifing mac address for containers. This change is to allow docker py the same functionality.

Signed-off-by: James Harris <james@rancher.com>

Fixed TestRestartingContainer

Merge pull request docker#436 from docker/0.7.0-release

0.7.0 release

Merge pull request docker#386 from docker/0.6.0-release

Release 0.6.0

Merge pull request docker#356 from bfirsh/ship-0.5.3

Ship 0.5.3

Merge pull request docker#353 from bfirsh/ship-0.5.2

Ship 0.5.2

Merge pull request docker#349 from bfirsh/ship-0.5.1

Ship 0.5.1

Bumped version and updated Changelog

Merge pull request docker#279 from dotcloud/0.4.0-release

Release 0.4.0

Merge pull request docker#245 from dotcloud/0.3.2-release

0.3.2 release