There are 2 templates provided with ArcGIS Workflow Manager install.
Minimum Configuration - gives you the minimum configuration elements needed to use workflow manager
Quick Start Configuration - provides you with sample users, groups, workflows and job types that you can use in addition to the contents of the minimum configuration file.
Once you have the base configuration imported to your 10 repository, you can import your old configuration into the 10 database by using the merge option during import.
Have you tried this? If so, do you receive any errors?