Enhanced host enability checks.
Enhanced host enability checks.

Checking host enability is not enough to see entire pool is ready.
By adding 'liveness' check we can make sure all hosts are connected on
management network.

bpwook/auto-cert-kit,rdobson/auto-cert-kit,bpwook/auto-cert-kit,vivekkumac/auto-cert-kit,xenserver/auto-cert-kit,vivekkumac/auto-cert-kit,rdobson/auto-cert-kit,xenserver/auto-cert-kit