Build 347A is released.

 1. VROI dialog box: switch default units back to voxels.

2.  VROI dialog : Restored previous Z-coordinate convention.

3. VROI MainMenu>VROI>Delete All VROIs is now the only function for deletion.

4. VROI dialog box: the changes are preserved on cancel\close the dialog box.

5. VROI dialog box:  added the UNDO button.

6. List All VROIs command now shows a scrollable list of all present VROIs (previously just a plain message box).