Merge pull request #218 from cloudedge/pull-req-master-020275d22eae3bf8bf317a3e266e23b3a2cfa7f0

https://github.com/crowbar/barclamp-network/pull/218

Merged by devtool for VictorLowther
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.
basic UI and model changes WIP
network barclamp scaffolds
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
Oops, fix node scope.
allow editing of networks from role & node-roles (for bootstrap)
merge resolution