* add SlapOSLedgerConstraint
* add SlapOSLedgerConstraint on all * Transaction
  XXX FOrces tests to fail as much as possible if ledger is not configured.
  Add test to ensure constraint is configured
* hardcode automated ledger category for the newly created sale packing list
* propagate ledger in the simulation tree
* build ledger category from delivery builders
* aggregate ledger from order builder
* ensure ledger category is allowed on the portal type when using the constraint
* requires ledger on Hosting Subscription, Open Sale Order and Sale Packing List
* hardcode ledger value on Open Sale Order and Hosting Subscription
* open order must propagate the ledger value
* automated ledger path
* add ledger to the accounting template
* source_administration is not used anymore on Compute Node
* source_administration is not used anymore on Compute Node
* add source_project constraint on all portal type requiring a ledger
* set the source_project on the open sale order
* propagate source_project in the simulation/builder
* remove source_project constraint from the ledger property sheet
* add SlapOSVirtualMasterSourceProjectConstraint on all accounting portal types
* use Software Product instead of the service slapos_instance_subscription
* build movement using Software Product
* consider Software Product as a Service
* use Software Product
* search the trade condition with searchPredicateList
* ensure trade condition is found
* disable open order alarm
* disable open order creation
* add slapos_virtual_master_subscription service
* allow using open order for different kind of item
* add constraint to check if open order has a sale trade condition
* reactivate open order alarm
* check if Sale Trade Condition has a business process
* ensure open order line has a resource, price, quantity
* new constraints for open order / sale trade condition
* only automate invoice with automated ledger
* only automate packing list with automated ledger
* only automate packing list with automated ledger
* only automate packing list with automated ledger
* add new business process to go from order to invoice
  This may be temporary.
  Name is bad on purpose for now.
* not sure if it is a good idea to hardcode the business process list...
* do not crash if open order line is not linked to an instance
* force total_quantity to be > 0 instead of checking quantity property
* XXX support Open Order Cell
* XXX constraint must also support Cell
* create Open Order Cell
* first version to fetch trade conditions and prices
* select the correct software release/type on open order
* get price from sale supply
* do not create the open order if the software product can not be found
* set price on the open order
  it requires to create a temp sale order, where sale supply is automatically applied
* SlapOSVirtualMasterSourceProjectConstraint on Sale Supply
* InstanceTree_getSoftwareProduct also return release and type variations
* wip sale supply test
* configure Sale Supply predicate
* test Supply Line matching and getPrice
* allow Supply Line to define price even if resource has variations
  Force quantity unit to match (no convertion for now)
* order Supply Predicate matching
* Supply Cell before Line
* stop hardcoding default quantity unit
* add comment if price not found
* quantity is defined on cell
* do not create Hosting Subscript before the price is found
* slapos_accounting: link Hosting Subscription to project
* Cloud Contract is not global for ERP5 Site, but per Virtual MAster
* project needed on assignment/compute node
* export module business application
* revert zero_emission_ratio service deletion
  I do not remember why I dropped it
* set source/destination_project and ledger on created payment
* drop slapos orga and accounting template