MT#8727 fix check for active node

We introduce ngcp-check_active script on CE. So we need to
check the nodename to detect if we are CE or PRO/CARRIER and don't
check for active on CE

Change-Id: Idce6dca08d4522032c1791d4014bd13c6b5bc21a
MT#8517 [CARRIER] add registrar_dbflag

Add config to be able to select the registrar.lookup dbflag function
paramater on templates. Useful in CARRIER.

Change-Id: I6ecca55eb49497247269dc29dcd1a9f65c5f63e2
cfg-schema dump: snapshot Thu Aug 21 22:59:38 +0200 2014