Changes

• Suppress tile's pane split if there is no space.
• Remove DropAutoRepeat for tile splitting hot keys.
• Set a unique focus for the app in the Tiling Window Manager created by a mouse click.
• Allow moving and resizing tile's grips using arrow keys.

  <config>
    <hotkeys>  <!-- The required key combination sequence can be generated on the Info page, accessible by clicking on the label in the lower right corner of the vtm desktop. -->
        <tile>
            <grips key*>
                <key="LeftArrow" ><action=TileMoveGrip   data="-1, 0"/></key>  <!-- Move the split grip to the left. -->
                <key="RightArrow"><action=TileMoveGrip   data=" 1, 0"/></key>  <!-- Move the split grip to the right. -->
                <key="UpArrow"   ><action=TileMoveGrip   data=" 0,-1"/></key>  <!-- Move the split grip up. -->
                <key="DownArrow" ><action=TileMoveGrip   data=" 0, 1"/></key>  <!-- Move the split grip down. -->
                <key="'-'"       ><action=TileResizeGrip data="-1"   /></key>  <!-- Decrease the split grip width. -->
                <key="Shift+'+'" ><action=TileResizeGrip data=" 1"   /></key>  <!-- Increase the split grip width. -->
            </grips>
        </tile>
    </hotkeys>
  </config>