conpaas-core: take partially created nodes into account when assigning IPOP addresses
conpaas-core: take partially created nodes into account when assigning IPOP addresses

Partially created nodes are also important when it comes to select an IPOP ip
address for the next node to be created. This patch allows to properly allocate
IPOP ip addresses when adding multiple nodes to a given service.


ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas