Changed image-level ingest to data-source Content-level ingest.
Related changes, such as FileManager API adjustments and fixes in client code.
Simplifications in RecentActivity logic to get files per current data source (no need to use deprecated method)
1. when adding logical files FileManager returns root new file set object to enable data source ingest on it
2. Add progress updater on adding logical files
better order setting unalloc on manager
update scalpel module with new design
remove set/get arguments from ingest module API
adjust fuzzy query (no logic/result change)
better/sooner setting input content on a panel / ingest configurator
show warning message / red in dialog when RA-like modules are selected on non-root level data source
fix file size filter to work on local files