* Fix plexus gav
* Install maven instead of just building it
The plugins need to be available in the local repo, else the build may download old snapshots
* Fix DefaultArtifactManager to allow using both Artifact and Dependency
* Add a TODO for an EventSpy related api
* Add simple string/model conversion on the XmlFactory
* Decouple services creation
* Move services to @Singleton scope
* Add protected constructors as builders should not be created directly
* Fix typos "can not" -> "cannot"
* Add some null checks on build(xx) shortcut methods
* Add a some missing conversion to immutable collections for requests