Added App Icon
Left menu UI update
Tracking finished
Visited POIs retrieving from exploration track object acting as persistent storage
POI minor fix
Merge branch 'ios' of https://github.com/blstream/MyGuide into ios

Conflicts:
	MyGuide/Base.lproj/Main.storyboard
Little design changes
Merge branch 'gps_dijkstra' into ios
test tracks deleted from xmls for CI release