Bring up, down, top, and bottom icons into XDG compliance

diff --git a/src/knowit.cpp b/src/knowit.cpp
index 7cb6b65..97f50e9 100644
--- a/src/knowit.cpp
+++ b/src/knowit.cpp
@@ -197,17 +197,17 @@
       TQT_SLOT(slotCollapseAll()), actionCollection(), "note_collapse_all");
    new TDEAction(i18n("&Collapse current"), "", "Alt+-", TQT_TQOBJECT(Items),
       TQT_SLOT(slotCollapse()), actionCollection(), "note_collapse");
-   new TDEAction(i18n("Move up"), "up", "Alt+Shift+Up", TQT_TQOBJECT(this),
+   new TDEAction(i18n("Move up"), "go-up", "Alt+Shift+Up", TQT_TQOBJECT(this),
       TQT_SLOT(slotNoteMoveUp()), actionCollection(), "note_move_up");
-   new TDEAction(i18n("Move down"), "down", "Alt+Shift+Down", TQT_TQOBJECT(this),
+   new TDEAction(i18n("Move down"), "go-down", "Alt+Shift+Down", TQT_TQOBJECT(this),
       TQT_SLOT(slotNoteMoveDown()), actionCollection(), "note_move_down");
    new TDEAction(i18n("Move level up"), "back", "Alt+Shift+Left", TQT_TQOBJECT(this),
       TQT_SLOT(slotNoteMoveLeft()), actionCollection(), "note_move_left");
    new TDEAction(i18n("Move level down"), "forward", "Alt+Shift+Right", TQT_TQOBJECT(this),
       TQT_SLOT(slotNoteMoveRight()), actionCollection(), "note_move_right");
-   new TDEAction(i18n("Move at the beginning"), "top", "Alt+Shift+Home", TQT_TQOBJECT(this),
+   new TDEAction(i18n("Move at the beginning"), "go-top", "Alt+Shift+Home", TQT_TQOBJECT(this),
       TQT_SLOT(slotNoteMoveBegin()), actionCollection(), "note_move_begin");
-   new TDEAction(i18n("Move at the end"), "bottom", "Alt+Shift+End", TQT_TQOBJECT(this),
+   new TDEAction(i18n("Move at the end"), "go-bottom", "Alt+Shift+End", TQT_TQOBJECT(this),
       TQT_SLOT(slotNoteMoveEnd()), actionCollection(), "note_move_end");
    new TDEAction(i18n("Sort"), "", "", TQT_TQOBJECT(this),
       TQT_SLOT(slotNoteSort()), actionCollection(), "note_sort");