Hud mode activated.
    - The viewtocontaincompleteRoute is trasformed to represent the mirror image.
    - To make this happen for changes were also made
        - viewtocontain2d route is now added to the viewtocontain3droute.
        - there is a common function to change the backgroud for the road and the sign
        - A separate method to change remove the gradient layer for hud is also added.
        - All the gesture recognizers have been added to the
        - In the roadView, the road is not filled and the road and the lane thickness changes in hud mode.
        - The boundary color of the arrow in the signView is made lighter.
    - A gesture recognizer for hud button is added and its 'U' inverts when the hud is activated.
    - The hud button is deactivated for the listView.
    - HUD is maintained when re-routing. However, HUD is cancelled when the view changes
    - The viewtToContainCompleteRoute is inverted.

Other Changes
    - Using the last Point for the white lane as in PointL
    - restored the size of the white lanes to 10px