Add 16px LibreOffice icons
Summary:
Sorry if I did something wrong, I'm still figuring this stuff out
Reviewers: VDG, ngraham, ndavis
Reviewed By: VDG, ngraham, ndavis
Subscribers: ndavis, ngraham, kde-frameworks-devel
Tags: Frameworks
Differential Revision: https://phabricator.kde.org/D28542