[Workflow] Refactor to Fenix Framework 2
  * Refactored to use the new Fenix Framework API
[Meta Workflow] Refactor to Fenix Framework 2

  * Refactored to use the new Fenix Framework API
[Workflow] Refactor: Using the new Relation API to add RelationListeners.
Removing explicit JVSTM dependency
  * Also renamed CommitError to TransactionError
Fixing incorrect POM versions and Artifact Ids.
[Workflow] Refactored to comply with the new Generated API
[Meta Workflow] Refactored to comply with the new Generated API
Updated dependencies to the correct RC versions.
Merge pull request #2 from jcarvalho/feature/ff2

Migration to FenixFramework 2