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 * add function ISODateString that gets the jqXHR.getResponseHeader('Date') and returns changes_since GET variable on ISO 8601 format
 * add changes_since mechanism on GET images too

Ref #291

 * remove description from VirtualMachine model, handlers and tests
 * return images metadata (as on servers). for now return image.description as image.metadata.meta.key.description

Ref #185

Fixes #313

Instead of imageId/flavorId.

Fixes #313

check if server.status is "DELETED" rather than attribute server.deleted
Refs #293

return badRequest if changes_since variable is problematic

* Add server actions
* Add address listing

API mostly complete now.

Refs #301

Refs #301

This refers to the confirmation box for multiple machine actions
in standard view and all machine actions in list view. The box
appears at the bottom of the page. You can only view it
by removing display: none from div.confirmation.

Refs #209

This refers to the confirmation box for single machine actions.
At this point you can only view it by removing display: none
from div.confirmation.

Refs #209

Simple command line tools to help the development.

- Implemented servers section of the API
- Some new tests

Work in progress.

Refs #301

use changes_since GET variable to specify a datetime. If ServerHandler
sees a datetime, it will return virtual machines that were updated after
that datetime, and nothing more

return badRequest if networkId is not public/private

ServerAddressHandler lists server addresses
(all or by Network ID). Functions update/create/delete have been
removed, since they are not implemented by Openstack
(http://docs.openstack.org/openstack-compute/developer/content/ch04s02.html)

use attribute networkID, as specified on Openstack
(http://docs.openstack.org/openstack-compute/developer/content/ch04s02.html)

* change imageId to imageRef
* change flavorId to flavorRef
* add updated+created attributes on serverhandlerss response for servers

there was an error on home.html of the ui introduced with the
previous commit :(

show 2 different translatable messages, when no images or flavors
are found