[2.5, UI] Refreshing a pod should tell you what will happen

[Andres Rodriguez]

Refreshing a pod just give you a confirmation button but doesn't give you a confirmation message explaining what will happen.

e.g. "new machines will be added", "new storage devices will be discovered"

Also, I think that the logs should shown updates made to the pod, e.gb. (new storage pools, new machines added etc).