Default to "compass" (gyroscope) mode when viewing a photosphere

# TODO: Deprecate the src/config.rb location.
KNOWN_CONFIG_LOCATIONS = ['config/compass.rb', ".compass/config.rb", "config/compass.config", "config.rb", "src/config.rb"]

`org-deadline-string` is a variable defined in `org.el'.
Its value is "DEADLINE:"

Documentation:
String to mark deadline entries.
A deadline is this string, followed by a time stamp.  Should be a word,
terminated by a colon.  You can insert a schedule keyword and
a timestamp with M-x org-deadline.
Changes become only effective after restarting Emacs.

You can customize this variable.

`org-scheduled-string` is a variable defined in `org.el'.
Its value is "SCHEDULED:"

Documentation:
String to mark scheduled TODO entries.
A schedule is this string, followed by a time stamp.  Should be a word,
terminated by a colon.  You can insert a schedule keyword and
a timestamp with M-x org-schedule.
Changes become only effective after restarting Emacs.

You can customize this variable.

 LocationSettingsRequest.Builder builder = new LocationSettingsRequest.Builder().addLocationRequest(mLocationRequest);

PendingResult<LocationSettingsResult> result =
         LocationServices.SettingsApi.checkLocationSettings(mGoogleClient, builder.build());

 result.setResultCallback(new ResultCallback<LocationSettingsResult>() {
     @Override
     public void onResult(LocationSettingsResult result) {
         final Status status = result.getStatus();
         final LocationSettingsStates = result.getLocationSettingsStates();
         switch (status.getStatusCode()) {
             case LocationSettingsStatusCodes.SUCCESS:
                 // All location settings are satisfied. The client can initialize location
                 // requests here.
                 ...
                 break;
             case LocationSettingsStatusCodes.RESOLUTION_REQUIRED:
                 // Location settings are not satisfied. But could be fixed by showing the user
                 // a dialog.
                 try {
                     // Show the dialog by calling startResolutionForResult(),
                     // and check the result in onActivityResult().
                     status.startResolutionForResult(
                         MapsActivity.this,
                         REQUEST_CHECK_SETTINGS);
                 } catch (SendIntentException e) {
                     // Ignore the error.
                 }
                 break;
             case LocationSettingsStatusCodes.SETTINGS_CHANGE_UNAVAILABLE:
                 // Location settings are not satisfied. However, we have no way to fix the
                 // settings so we won't show the dialog.
                 ...
                 break;
         }
     }
 });

 @Override
 protected void onActivityResult(int requestCode, int resultCode, Intent data) {
     final LocationSettingsStates states = LocationSettingsStates.fromIntent(intent);
     switch (requestCode) {
         case REQUEST_CHECK_SETTINGS:
             switch (resultCode) {
                 case Activity.RESULT_OK:
                     // All required changes were successfully made
                     ...
                     break;
                 case Activity.RESULT_CANCELED:
                     // The user was asked to change settings, but chose not to
                     ...
                     break;
                 default:
                     break;
             }
             break;
     }
 }

int locationMode = Settings.Secure.getInt(activityUnderTest.getContentResolver(), Settings.Secure.LOCATION_MODE);

if(locationMode == LOCATION_MODE_HIGH_ACCURACY) {
   //request location updates
} else { //redirect user to settings page
   startActivity(new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS));
}