First version of the MyLocationManager and LocationService

Description of the purposes of the LocationService is in the Issue #6, LocationManager is in the Issue #8
Modified CustomMyLocationOverlay

using location from LocationService instead of default LocationListenerProxy; Issue #7
Changed osmdroid 3.0.10 to 3.0.8

new version is incompatible with Android 1.6 and ScaleBarOverlay do not work on Android 2.2 and 2.3
Added settings for update intervals in foreground, background and livetracking mode

Issue #8
Added simple filtering of the received locations

Issue #8