history: Added is_local_storage to dwh_datacenter_configuration_history_view

This patch adds is_local_storage to
dwh_datacenter_configuration_history_view
A storage pool can be marked as local - contains local on host
storage or shared -
contains shared storages of various types.

Change-Id: I5100ec6dd030b096f8fa1f644f4e2b8be8916817
Related-To: https://bugzilla.redhat.com/1038053
Signed-off-by: Shirly Radco <sradco@redhat.com>