sdk: regenerate against the latest api

- to cluster added tunnel_migration property
- to DataCenter added Clusters sub-collection
- to root collection resource Disk added Permissions sub-collectio
- to root collection resource Disk added Statistic sub-collection
- host can be attached to cluster now either by id or name
- to StorageDomainTemplate added Disks sub-collection
- to StorageDomainVM added Disks sub-collection
- to template.display added keyboard_layout property
- to template added tunnel_migration property
- to vm.display added keyboard_layout property
- to vm added tunnel_migration property
- to VMSnapshot added preview method
- to VMSnapshot added undo method
- to VMSnapshot added commit method

Change-Id: Ic645cc6fe5eecd5a8529e842049f696f2acc6f70
Signed-off-by: Michael Pasternak <mpastern@redhat.com>