update to 1.5.26
- Update translations from zanata (de updated)
- Fix display of warning message when a dictionary is not installed.
- Emulate xdg.BaseDirectory.save_data_path() on systems which lack pyxdg
- Show the skin tone popover also on a long press gesture
- Fix pyhunspell support
Resolves: https://github.com/mike-fabian/ibus-typing-booster/issues/5#issuecomment-286251818