[ENH] UserInteraction can be extended by shift.#336

ales-erjavec merged 1 commit intobiolab:masterbiolab/orange-canvas-core:masterfrom

krystofair:krystofair/enh/shift-extends-useriteractionkrystofair/orange-canvas-core:krystofair/enh/shift-extends-useriteractionCopy head branch name to clipboard