1.修复RA Image照片预览，使编辑框不接受用户事件。

RA Image/RA Image/TakePhotoPreviewController.m

@@ -27,8 +27,9 @@
     
     self.editContainer.layer.borderColor = [UIColor whiteColor].CGColor;
     self.editContainer.layer.borderWidth = 0.5f;
-    UIPinchGestureRecognizer *pinch = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(imageViewPinch:)];
-    [self.editContainer addGestureRecognizer:pinch];
+    self.editContainer.userInteractionEnabled = NO;
+//    UIPinchGestureRecognizer *pinch = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(imageViewPinch:)];
+//    [self.editContainer addGestureRecognizer:pinch];
     
     [self.previewScroll addSubview:self.imgView];
 }
@@ -133,9 +134,9 @@
 
 #pragma mark - UIScrollViewDelegate
 
-//- (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView {
-//    return self.imgView;
-//}
+- (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView {
+    return self.imgView;
+}
 
 #pragma mark - pinch