updating digitalocean image_id for ubuntu-12.04
[COOK-4643] - Update metadata lock on ohai

Signed-off-by: Sean OMeara <someara@opscode.com>
[COOK-4588] - Give more love to FreeBSD

Signed-off-by: Sean OMeara <someara@opscode.com>
[COOK-4601] Add proxy type: Socket

Signed-off-by: Sean OMeara <someara@opscode.com>
Version bump to 2.7.0
Publish 2.7.0 Changelog
bumping for devodd
Updates kitchen cloud yaml

- Updates the Fedora 19 image
- Give ability to override EC2 Availability Zone with ENV
[COOK-4644] - add support to nginx::repo for Amazon Linux

Signed-off-by: Christopher Webber <cwebber@getchef.com>
[COOK-4658] - Nginx::socketproxy if the context is blank or nonexistant, the location in the config file has a double slash at the beginning

Signed-off-by: Christopher Webber <cwebber@getchef.com>
Version bump to 2.7.2
Publish 2.7.2 Changelog
Bump to 2.7.3 for Dev