Disable integration tests related with PeerPositions

They cannot pass until the client part start using this message.
Merge pull request #31 from sortega/task/86_server_side

Use PeerPositions and order identifiers on the server side
update actors diagram.
Add submission supervisor actor to actors hierarchy.
Implement order supervisor actor.
Implement order actor.
Make CoinffeineNetwork use order ids
Fix QuoteTest

Fix initialization of submission related actors
Fix and enable some integration tests
Change ‘id’ attribute from OrderId by ‘value’.
Fix bug: Remove OrderActor from OrderSupervisor map when is required.
Add init function to OrderActor
Fix bug: MarketSubmissionActor does not submit events.
Merge pull request #32 from gotoalberto/task/88

Introduce OrderSupervisor and SubmissionSupervisor to hierarchy actor
Rename PeerPositions to PeerOrderRequests
Fix typos and imports in ConstantValueActorTest
Cleanup some tests
Move alias to the global build.sbt

The `addCommandAlias` command defines global alias so it is misleading
to have them on a submodule.
Rename Order to OrderBookEntry

Also add some TODO’s to point out where a different type should be used.
Fix a bug that prevents including new orders in UI

In `ApplicationProperties`, `orderExists()` function was buggy. It was assuming
that an empty order set contains the given order.