Added findOrCreateRelation.
New method getContent() which derives the repositoryName from the ThreadLocal in EnvironmentHolder.
Add deprecation warning to Response classes.
Add workflow methods to XML API.

(WorkflowServer background thread is still missing).
cinnamon-db plugin version++
New dependency on Cinnamon-Humulus plugin.

Giving OSD objects access to Environment ThreadLocal requires this dependency. The advantage is a less cluttered API.
Update IDE files.