Fixed accidental line break which broke ContentStore.upload
Implement interface grailsConfigurationAware for simple configuration access.
Fixed bug in changeState: use config of next lifecycle state when changing state instead of the old state's one.
Implemented copying of relations on version command (if relation type demands it)
Add relation change trigger to webclient actions.
Added: missing changes for copy-relations-on-version
Added: InfoService, which holds configuration objects and repository info.

Background: currently, the thread-local name of the current repository (database) is schlepped around in many places.
This is a first step of cleaning up the API and replacing foo(osd, repositoryName) with foo(osd){ repositoryName=infoService.repositoryName ...)