0.17

This release deprecates elementary-xfce-darker, transitions some monochrome icons back to colored for better legibility in dark/bright themes, drops lots of legacy symlinks (stock_, gnome-) and adds lots of mimetype icons.

• Deprecate elementary-xfce-darkest
• Add programming language mimetypes
• Add system package mimetypes
• Add lightdm settings, mugshot icons
• Add 24px symbolic icons for Thunar 4.17 toolbar
• Add symbolic view icons for Thunar 4.17 toolbar
• Add missing 96px mimetypes, symlinks
• Add USB Hard Drive, IEEE1394 device icons
• Add firewall icon at all sizes, gufw app symlink
• Update index.theme to match directory tree
• Update some settings/app icons
• Update media playback icons
• Update border/shadow style for common mimetypes
• Update archive action icons
• Update and fix some mimetypes
• Update some app names, symlinks, remove unused
• Update Wifi icons at 48px, remove old
• Update some app names and symlinks, remove unused
• Update find action icon
• Fix symbolic media-skip from being media-seek
• Fix issue where xfsm icons don't show in darker
• Fix blurry software-update icon, update others
• Fix blurry symlink emblem in 0.16 release
• Remove and replace start-here
• Remove gnome- prefixed device icon symlinks
• Remove icon causing cache update error (Fixes #305)
• Remove unused symlinks from actions
• Remove stock icon symlinks from actions
• Remove unused mimetypes
• Remove unused places icons
• Remove unused categories symlinks
• Remove Stock and Tools folders
• Remove redhat, novell icons
• Remove 22px size mimes
• Remove "gnome-" prefixed mimes
• Remove unused, rename misnamed app icons (#273)
• Refresh folder icon emblems
• Refresh a few Xubuntu default app icons
• Make window-close visible in dark and light themes
• Use package mimetype from upsteam
• Rename battery icons, remove legacy battery icons
• Cleanup app icons
• Session icon fixes
• ci: Add GitHub action to test for dangling symlinks

All the heavy lifting was done by @newhoa 🎉