Removed unused #includes.
English.
Cleaning up MainWindow.
const > #define
Misc.
"Add from web" button.
Also hide the [?] button in the mux dialog.
Starting work on the web dialog.
Clearable line edit for the URL entry.
Let the WebDialog return a YouTubeDlJob.
Forgot to add this method...
Automatic "Import" button hiding and showing.

Do the same with MuxDialog later...
Remove old stuff.
Add a created downlaod job to the job pool
Keyboard shortcuts are neat, are they not?
Privacy!
Convention.
Prototype implementation of youtube-dl.

Doesn't fully work yet, though.
Unified running of external processes in jobs.
Only Windows needs special icons.