fixes #156: readjust loading tile background after map frame changes

@@ -26,8 +26,8 @@
         _contentView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, frame.size.width * 3, frame.size.height * 3)];
         [self addSubview:_contentView];
 
-        [self setMapZooming:YES];
-        
+        [self setMapZooming:NO];
+
         self.userInteractionEnabled = NO;
         self.showsHorizontalScrollIndicator = NO;
         self.showsVerticalScrollIndicator = NO;

@@ -392,6 +392,9 @@
         [self correctPositionOfAllAnnotations];
 
         self.minZoom = 0; // force new minZoom calculation
+
+        if (_loadingTileView)
+            _loadingTileView.mapZooming = NO;
     }
 }