CLOUDSTACK-6394: Add gpu details in "Add Compute Offering”

Signed-off-by: Mihaela Stoica <mihaela.stoica@citrix.com>
Signed-off-by: Sanjay Tripathi <sanjay.tripathi@citrix.com>
CLOUDSTACK-6393: Add gpu details in Compute Offering detail view

Signed-off-by: Mihaela Stoica <mihaela.stoica@citrix.com>
Signed-off-by: Sanjay Tripathi <sanjay.tripathi@citrix.com>
CLOUDSTACK-6233: Add new tab "GPU" in Host detailView for gpu enabled hosts

Signed-off-by: Mihaela Stoica <mihaela.stoica@citrix.com>
Signed-off-by: Sanjay Tripathi <sanjay.tripathi@citrix.com>