commit dc4e44f448ba5fc8379ac7751baf2638593b0ac0
Author: Emmet O'Neill <emmetoneill.pdx@gmail.com>
Date:   Sun Oct 14 22:35:40 2018 +0200

    Improved responsiveness of moving large SVG objects.

    Added a KisSignalCompressor to the KisShapeLayerCanvas to reduce the
    number of updates.

    BUG:399363