Add compatibility with Android 4.0.4

[Dook1]

Could you add compatibility with Android 4.0.4?
Everything works fine with Xinstaller plugin for Xposed. Coordinates come from both cells and wifi. But only until the first reboot. When rebooting, the openbmap service hangs. I have to do manual restart openbmap and then everything works fine again. Logcat on reboot:

`10-30 23:39:19.509 I/ActivityManager( 383): Start proc org.openbmap.unifiedNlp for service org.openbmap.unifiedNlp/.services.RadiocellsLocationService: pid=880 uid=10115 gids={3003, 1015}

10-30 23:39:32.349 I/ActivityManager( 383): No longer want org.openbmap.unifiedNlp (pid 880): hidden #13 `