Added outlines to 16 and 22 px icons for better contrast
Improved the legibility of 8px icons
Added new 8, 16 and 22 px versions of existing emblems
Improved the consistency of emblem icons
Added background to inside of emblem-symbolic-link for better contrast
Related bugs:
https://bugs.kde.org/show_bug.cgi?id=399356
https://bugs.kde.org/show_bug.cgi?id=399357
https://bugs.kde.org/show_bug.cgi?id=399968