CIMI Webapp (machineTemplates): minor cleanup of index page
CIMI Webapp (init): we need to require json/pure

It's actually a problem with the fact that CIMI::Model is not suitable as a
client. Those classes need to be split into a client proper and their
extensions for the server.
CIMI Webapp creating MachineTemplate
CIMI Webapp remove stacktrace when creating a Machine
CIMI Webapp creating a Network
CIMI (AddressCreate): fix typo