Workaround for Qt 5 on windows bug that makes the selected indication for items in any list/table disappear when the widget loses focus
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View specific format window: If a conversion finishes in the background making a new format available, update the window. Fixes #1363416 [[Feature Request] eBook conversion jobs should automatically update the book's "View specific format" window upon job completion](https://bugs.launchpad.net/calibre/+bug/1363416)
Creation of custom news sources failing. Fixes #1363666 [Can't add news recipe](https://bugs.launchpad.net/calibre/+bug/1363666)
Finally able to reproduce the problem of ghost dialogs that stick around after being closed, with the add a custom new source dialog. Workaround of calling deleteLater() seems to do the trick.
Mark some UM strings for translation