Committing before porting to Scala.
Renamed all Xtend classes to Scala.
Converted JDO model classes to plain Java.
Removed the copy of Immutable set as Guava is no longer being used.
Moved jackson dependencies to the parent.
The object mapper is now used fluidly.
Fixed the Squeezebox display classes
Moved JDO objects to a new class to allow the datanucleus plugin
to be invoked before any scala configuration.
Fixed the group id of the remote persistence project.
First pass at converting the remote project to scala but tests are failing.
More tests are now passing