history: added storage calculated status to dwh views (#846272)

Now using database function to calculate shared status. Removed
status from datacenter to storage domain map.

Bug-Url: https://bugzilla.redhat.com/846272

Change-Id: Idc620c81b360b4f74e9701026fcca1c92d5b2b3f
Signed-off-by: Yaniv Dary <ydary@redhat.com>