Adding image management functions to client.
Adding known image storage.
Using key to enforce image uniqueness.
Testing KnownImages a little more.
Adding image management actor.
Adding ImageMonitoringActor to API.
Adding ID for images to allow simpler API.
Adding individual get and remove for images.
Using unifying model for images so more metadata can reach the UI.
Adding creation time of image.
Removing warnings.
Ignoring known images file.
Adding pull method for images.
Refactored lots of the ContainerProvider logic into a simplified client.
Adding image creation & listing to API.
Adding image lookup to container form.
Image selection based on Machineshop inventory.
Introducing add/list/delete of images by node owners.
Adding manual image pulling for owners.
Updating MachineShop API to remove unnecessary "/new".

Machineshop v0.4.x is no longer compatible with HighCommand after v0.4.x, so it makes sense to clean up the API.