title: UIImageView autolayout issue in UICollectionViewCell on iOS7 but on iOS8 it's ok
body: <p>Have problem with reducing image size in ImageView.
  In the CollectionViewCell have ImageView with constraints: two horizontal and two vertical spaces. <br>
  First screen is iOS7 and second screen is iOS8.
  <img src="https://i.stack.imgur.com/KC8Zl.png" alt="enter image description here">
  <img src="https://i.stack.imgur.com/piWwB.png" alt="enter image description here"></p>
  
  <p>ImageURL it's custom class for load image by URL, it works ok, also set a image like </p>
  
  <pre><code>    _clothesImageView.image = [UIImage imageNamed:@"imageName.png"];
  
      - (void)configCellWithClothesModel:(ClothesModel *)clothesModel
      {
          [_clothesImageView setImageURL:[NSURL URLWithString:clothesModel.imageURL]];
      }
  </code></pre>
  
  <p>ClothesModel:<br></p>
  
  <pre><code>- (instancetype)initWithDict:(NSDictionary *)dict
  {
      self = [super init];
      if (self)
      {
          _isShop = @(YES);
          self.title = [self checkNullAndNill:dict[kTitle]];
          self.info = [self checkNullAndNill:dict[kDescription_Short]];
          self.artNumber = [self checkNullAndNill:dict[kArtNumber]];
          self.afLink = [self checkNullAndNill:dict[kDeeplink1]];
          self.imageURL = [self checkNullAndNill:dict[kImg_url]];
          _isCart = @(NO);
      }
      return self;
  }
  
  
  //==============================================================================
  
  
  - (id)checkNullAndNill:(id)object
  {
      if (object == nil)
          return @"";
      else if (object == [NSNull null])
          return @"";
      else
          return object;
  }
  
  
  //==============================================================================
  
  
  - (UICollectionViewCell *)configCellWithType:(NSString *)type collectionView:(UICollectionView *)collectionView indexPath:(NSIndexPath *)indexPath
  {
      ClothesCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:[type isEqualToString:@"Outfits"] ? @"CellOutfits" : @"Cell" forIndexPath:indexPath];
      [cell configCellWithClothesModel:self];
      return cell;
  }
  
  
  //==============================================================================
  </code></pre>