Add location_lookup_error translation
Fix whitespace/indentation (no functional changes)
Resume wi-fi scan after Wi-fi is turned on [#477]
Merge pull request #486 from stripTM/patch-4

Update Spanish translations (@stripTM)
Synchronize access to WifiScanner members

start()/stop()/getAPCount() and onReceive() are executed in different threads
and race conditions occurs.
Merge pull request #489 from illarionov/fixWifi

Resume wi-fi scan after Wi-fi is turned on [#477] (@illarionov)