changed the way that we move the blue dot on the map
tried to fix heading calculation problems
updated readme.md
route calculation should only return the shortest route now regardless of whether heading is taken into account or not.
instead of showing user location on loading storyboard, we should request for iOS 8 privilege first
tries increasing the distance tolerance threshold for recalculating route to 100m since residential blocks could be huge
map display region should take top bar into account
improves calculation of distance from actual path
algorithm fix
disabled used comments