0.16

This release brings lots of cleanups and more consistency with
contributions from @newhoa and @tux93.

• Add audio overamplified icon
• Update the mime office icons (Fixes #239)
• Updates to actions icons
• Update places/sidebar icons
• Add missing mimetype icons
• Add missing icons
• Add places icons at 96px
• Update broken symlink
• Add new person icons, fix some inconsitencies
• Update navigation icons from upstream
• Update session icons (logout, shutdown, etc)
• Fix icon name extension
• Add names to mime archive icons at 128px
• Update emblem icons from upstream
• Add/Update device icons
• Updates and fixes to mime icons
• Add new desktop places icon
• Add support for xfpm 4.16 icons
• Fix broken link
• Update removable USB device icon (Fixes #213)
• Added json/xz icon, fixed some icon inconsistencies