Bug 2131 - NPE when starting controller

* made InvenroryAndReadAdapter wait for BindingAwareBroker because it
was calling DeteBrokerService before it was available

Change-Id: Ie38415194544997bc12d2dd3acfc57bfa8918730
Signed-off-by: Jan Hajnar <jhajnar@cisco.com>
Merge "Bug 2131 - NPE when starting controller"