Add changeset filter to help with handling changes to the client data.
Remove routes from the joist concept because actions are roughly the same.
Add demonstration how to integrate server interaction to the actions.
Bugfix: reference to a deleted js file was removed.
Set dataManager on joist creation because exactly one is needed.
Actions should not need to talk to the patcher directly so let them just answer a callback.
DataManager can now handle multiple sets and unsets in a single patch process.
Set version to 0.6.1.