webadmin: Console button in Hosts tab enabled

VM lifecycle + console actions as in VM tab for Hosts/VM subtab enabled.

Change-Id: Ic18079c7d578ee6caf5f72c0882a606da515748f
Bug-Url: https://bugzilla.redhat.com/772442
Signed-off-by: Libor Spevak <lspevak@redhat.com>