Initial commit
Fill in the copyright holder
Add ChangeSet
Add @author to ChangeSet
Add VersionedEventStream, base interface for event streams
Add parent pom
Add pom for core library
Add EventStoreCommitNotification interface
Add EventStoreCommitListener interface
Improve Javadoc for EventStoreCommitNotification
Improve Javadoc for EventStoreCommitListener
Adjust the copyright holder
Add license to several files
Add EventStoreCommitNotifier
Add default implementation for commit notifications.
Add Javadoc for DefaultCommitNotification#changes()
 Add common functionality of commit notifiers.
Add a synchronous commit notifier
Add DefaultDeployment for Arquillian testing framework
Add TestChangeSet for unit tests with ChangeSets.