Adds back the original functionality of You Are Here and Your House Here waypoints (markers?) along with improvements to the way they move around the screen for 3D and 2D mode.
UITerrainHighlight has been extended slightly to allow for any color arrow to be drawn and the endpoint to be calculated separately from drawing.
UILotButton also received the improved arrow drawing to follow the border around it to fix the graphical glitch of the arrow showing behind the semi-opaque background. The line will be drawn as gray to match the border color if the lot is offline.