Original author: Gabriel Monnerat

Also as Vifib does not accept optional parameters, transmit all everytime.

It is important during the request to being able to specify SLA, as current,
fully random selection does not allow fine grained control of partition
selection.

java implementation depends on rest implementation and it is not stable enough
to be shown on master branch.

As Hosting Subscription is common document for all Software Instances used in
request process, use it to find common parameters of all deliveries.

SoftwareInstance_createSalePackingList shall be able to work for requested
software instances.

Previous location: https://gitorious.org/vifib/slapos-master