CLOUDSTACK-988: HV version must be updated in hypervisor_version column of host table HV version is stored in hypervisor_version column in host table wherever present Also correctly populating version column in host table with resource file version

Signed-off-by: Koushik Das <koushik.das@citrix.com>
Signed-off-by: Abhinandan Prateek <aprateek@apache.org>
CLOUDSTACK-803: HA gets triggered even when the host investigator is unable to determine the state of the host HA won't be triggered in case the host investigator is not able to determine the state

Signed-off-by: Koushik Das <koushik.das@citrix.com>
Signed-off-by: Abhinandan Prateek <aprateek@apache.org>