Move request-specific description to GraphControl class
Split error report generation into separate method

- Keep default error generation using response parameters in CmdControl
- Overload create_error_report() in Chgrp and Delete commands to handle MIF exceptions
Order controls according to mock-up.
Check if the file has to be uploaded after scanning.
Modify error handling of failure during scanning.
Upload method review, do no wait for import to complete.
Use button instead of label for cancel action.
Remove "Show thumbnails" option (see #10890)
Display result as soon as import is complete (see #10981)

No longer wait for thumbnails or plate to be loaded.
Fix loading of folder w/o valid candidates (see #10985)
Fix cancellation of files (see #10984)

Cancel after scanning a folder, cancelling files directly.
Cancel during folder scanning (see #10984)
Modify layout to match mockups.
Minor adjustment to workflow.
Remove unused import.
Various fileset query tests. See #10782
Fix folder import w/ invalid files.
Add target for building virtual image
Merge pull request #1187 from snoopycrimecop/merge/develop/submodules

Update develop submodules
Merge pull request #1211 from jburel/import-post-demo-fix

Import post demo fix