Add class skeletons and new method skeletons for user-defined file type sigs
Check in partial implementation of user defined file type sigs
Check in incomplete editing of user defined file sigs feature
Checdk in work on user defined file types
Updates before accidental deletion of work
Continue work on user defined file types feature
Changing file types management code from static to singleton
Make predefined user types hidden, not deletable (part 1)
Merge remote-tracking branch 'upstream/develop' into file_typing_module_enhancements
Commit version of file types manager with fine grained-control, simpler will be better
Work on user-defined file types UI
Additional work on user defined types
Additions to user-defined types feature
Continue to work on user-defined types
Improve user-defined file types (incomplete)
Merge branch 'develop' into file_typing_module_enhancements
Add caveat to IngestManager.isIngestRunning
Continue work on user-defined file types
Merge branch 'develop' into file_typing_module_enhancements
Continue to work on user-defined file types