#52: fix map marker info window position
#52: use markericons.eu to get full km markers icons
 #52: add manual drawing routes on map support
 #52: add googleDirections service support for drawing manual routes
 #52: give mapHandler a mode attribute

 readOnly - for displaing saved routes
 edit - to draw a route
 #52: use waypoints to limit the number of google directions requests
 #52: some refactorings
 #52: use common draw function for manual and loaded routes
 #52: improve mapHandler clear functions
 #52: don't use start and finish markers while editing a route
 #52: add save manual route funcionality
add admin for routes
add __unicode__ for route model
 #52: refactoring - use routes.helpers
rebuild 'add user besttime' migration
 #52: clear mapHandler routes every time a new one is added
 #52: add ui for controling route edition
#83: fill workout form values based on tracks only if...

... referent form fields are unchanged.
 #52: add falbach gor google directions requests
 #52: fix full km markers bug

manual route edition gives better acces for testing this