history: added dwh_users_history_view

Added dwh_users_history_view and added
console_user_id to dwh_vm_history_view.

Added _create_date and _update_date to
users table.

Change-Id: I1995308951b445bbaa5ab6d944d51f64368c44fc
Bug-Url: https://bugzilla.redhat.com/1091687
Bug-Url: https://bugzilla.redhat.com/1018416
Signed-off-by: Shirly Radco <sradco@redhat.com>