Add getOriginStackTrace() to actions.
Add setOriginMessage().
MIGR-51 Define the order of the migrators execution.
Fix toString() to prevent cycling
Fix getModuleDir()
MIGR-60 Rewrite ModuleCreationAction to be about module metadata, not paths and XML doc
This code leads to AS 7 client waiting for the response indefinitely.
Fix createModuleXML
Fix getModuleDir()
Cleanup
Use IfExists; handle backup & restore.