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