network activity controller added in both the status bar and the map
* change the core location service initilization to the viewwillappear in completeRoute and viewcontroller
* The system idle time disabling will now happen only when the control is in the navigation mode i.e. in the completeRoute
* changed the threshold for the road screen coverage for 2d and 3d
* added a destination to the completeRoute which is being set by the segue.
* added activityindicator to completeRoute.
* added a function to re-calculate when off-track
* added functions to prevent the screen from auto-rotating.