* Exit fullscreen when pressing Esc in fullscreen mode.
* Search editor: focus the newly added filter selector.
* File list: reset vertical scroll position after changing directory.
* Preferences dialog: increase width for extensions and shortcuts lists.
Bugs fixed:
* WebP loader: fixed an infinite loop when the operation is cancelled. (Jürg Billeter)
* Jpeg loader: fixed crash in case of some malformed jpegs. (Joerg Fellmann)
* Fixed crash when selecting other images after deleting. (#126)
* Fixed long UI freeze after cutting/pasting many files.
