Allocate ip addresses at proposed time.
Add support for auto-creating an /64 IPv6 address based on a passed
prefix and an interface address generated based on the hostname.
Use node scope in Allocations.
Switch to usinh Node.admin scope.
Merge pull request #220 from VictorLowther/pull-req-master-fda77fb192c9c1d39e5891586544cf031c6d65bf

https://github.com/crowbar/barclamp-network/pull/220

Merged by devtool for cloudedge