* Add property list as parameter at image object creation
* Remove data_files dictionary from FunctionalDataHandle
* Rename module prediction to modelrun
* Add suffix \_id to object properties that contain object references
* Change list of valid functional image file suffixes
* Remove separation between data dir/file and upload dir/file for functional data. Expects a single functional data file.
* Move validation of attribute lists to module attributes
* Add class for attribute definitions
* Add listing of supported image group options definitions
* Add model run data file attachments