adds styleGroceryStores() and styleFarmersMarkets() methods
adds styleGroceryStores() and styleFarmersMarkets() methods

+ removes loadStores() from viewDidLoad
+ removes self.delegate?.filters() method
+ adds loadStores() to button IBActions
+ adds mapView.removeVisibleAnnotations() to button IBActions
+ fixes styleGroceryStores() method

BlackSourceLabs/BlackNectar-iOS