Mission: fixed zoom-to-fit NPE if no home coord
Locator: added activity and assoc resources
Locator: added TLog reader + LocatorActivity loader
Locator: added last known position list, adapter, marker etc
Locator: live GPS / sensor updates from location and sensor manager
Locator: compass wip
Locator: drop compass (unreliable) use heading, expanded info/status UI
Locator: impl new DroneMap abstract .setAutoPanMode (copy/paste from EditorMapFragment)
Merge branch 'master_locator' into custom_v2.4.4

Conflicts:
	Android/res/values/strings.xml