4.17.6

- Reset sort_column if it exceeds THUNAR_N_VISIBLE_COLUMNS
- Avoid many 'Failed to open directory' windows (Issue #660)
- Add file & folder count on the properties dialog (Issue #395)
- Use basename instead of display_name for file duplication (Issue #649)
- Fix signal disconnect in thunar_window_unrealize to prevent crash
- Don't go beyond THUNAR_N_VISIBLE_COLUMNS while parsing col widths
- Translation Updates:
  Albanian, Arabic, Armenian, Armenian (Armenia), Asturian, Basque,
  Bengali, Catalan, Chinese (China), Chinese (Hong Kong), Chinese
  (Taiwan), Czech, Danish, Dutch, Eastern Armenian, English
  (Australia), English (United Kingdom), Esperanto, Estonian, Finnish,
  French, Galician, German, Greek, Hebrew, Hungarian, Icelandic,
  Indonesian, Interlingue, Japanese, Kazakh, Korean, Latvian, Malay,
  Norwegian Bokmål, Norwegian Nynorsk, Occitan (post 1500), Panjabi
  (Punjabi), Persian (Iran), Polish, Portuguese, Portuguese (Brazil),
  Romanian, Serbian, Slovak, Spanish, Swedish, Telugu, Thai, Turkish,
  Urdu, Urdu (Pakistan), Uyghur, Vietnamese