Log Message:
viewnior: Update to 1.7

Viewnior 1.7
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New features included:
 - Show image dimensions to title bar
 - Add option to hide the scrollbars
 - Wallpaper support for Cinnamon, Puppylinux, and autodetect DE
 - Updated translations

Fixed:
 - Setting wallpaper on XFCE 4.12+ and MATE

Misc:
 - Move to the Meson Build system

Viewnior 1.6
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New features included:
 - Support back & forward buttons on your mouse

Fixed:
 - Mouse scroll behaviour and actions settings

Viewnior 1.5
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New features included:
 - Disable Wallpaper support during compilation
 - Updated translations

Fixed:
 - Preferences menu position
 - Nitrogen wallpaper support

Viewnior 1.4
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New features included:
 - Read EXIF and IPTC metadata
 - Nitrogen support
 - Updated translations

Fixed:
 - Preserve metadata after image modification
 - Rendidering artifacts when panning