places annotations now diplay the name of the place and the subtitle contains the complete address
and route annotations have custom annotatation and views
* It will now compute the closestpoint on the route i.e. the car will be snapped to the center of the route when it is not off-track. This will only when when the car is initialized and is not off-route.
* The calculated course of the route segment will be sent current course is invalid.
* A 2d helper window appears when the speed is less than the threshold of 20mph or if the car is not initialized
* Changed the distance of for smallest distance from speaking instruction to 0.03 from 0.02 based on road experiments
* Removed all the labels
* Separate Function for computing percent
Added view to show the directions signs. Added logic to determine the direction signs based on the road instruction.