Fix inset issue when presented with a navigation controller toolbar and/or tab bar

Mobile Buy SDK/Mobile Buy SDK/Product View/BUYProductView.m

@@ -173,7 +173,7 @@
 																	 options:0
 																	 metrics:nil
 																	   views:NSDictionaryOfVariableBindings(_productViewFooter)]];
-		[self addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:[_productViewFooter]|"
+		[self addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:[_productViewFooter]-|"
 																	 options:0
 																	 metrics:nil
 																	   views:NSDictionaryOfVariableBindings(_productViewFooter)]];
@@ -203,7 +203,7 @@
 - (void)layoutSubviews
 {
 	[super layoutSubviews];
-	[self setInsets:UIEdgeInsetsMake(self.tableView.contentInset.top, self.tableView.contentInset.left, CGRectGetHeight(self.productViewFooter.frame), self.tableView.contentInset.right) appendToCurrentInset:NO];
+	[self setInsets:UIEdgeInsetsMake(self.tableView.contentInset.top, self.tableView.contentInset.left, CGRectGetHeight(self.bounds) - CGRectGetMinY(self.productViewFooter.frame), self.tableView.contentInset.right) appendToCurrentInset:NO];
 }
 
 - (void)setTheme:(BUYTheme *)theme

Mobile Buy SDK/Mobile Buy SDK/Product View/BUYProductViewController.m

@@ -90,6 +90,7 @@ CGFloat const BUYMaxProductViewHeight = 640.0;
 {
 	self = [super initWithClient:client];
 	if (self) {
+		
 		self.theme = theme? : [[BUYTheme alloc] init];
 		
 		self.modalPresentationStyle = UIModalPresentationCustom;
@@ -177,6 +178,10 @@ CGFloat const BUYMaxProductViewHeight = 640.0;
 	[super viewWillAppear:animated];
 	[self setupNavigationBarAppearance];
 	[self.navigationController setNavigationBarHidden:self.isLoading];
+	CGFloat bottomMargin = 0;
+	bottomMargin += self.tabBarController ? CGRectGetHeight(self.tabBarController.tabBar.bounds) : 0;
+	bottomMargin += self.navigationController.isToolbarHidden ? 0 : CGRectGetHeight(self.navigationController.toolbar.bounds);
+	_productView.layoutMargins = UIEdgeInsetsMake(self.productView.layoutMargins.top, self.productView.layoutMargins.left, bottomMargin, self.productView.layoutMargins.right);
 }
 
 - (void)viewDidLayoutSubviews