Updates from Sat 14 Mar

- Unforked RKWebView | Nick Lockwood
- [ReactNative] Add integration test stuff | Spencer Ahrens
- [ReactNative] AlertIOS.alert and examples | Eric Vicenti
- [react-packager] Implement image loading i.e. ix('img') -> require('image!img'); | Amjad Masad
- Fixed scrollOffset bug | Nick Lockwood
- [React Native] Update 2048 | Alex Akers
- deepDiffer should support explicitly undefined values | Thomas Aylott

ReactKit/Base/RCTRedBox.m

@@ -6,6 +6,8 @@
 
 @interface RCTRedBoxWindow : UIWindow <UITableViewDelegate, UITableViewDataSource>
 
+@property (nonatomic, copy) NSString *lastErrorMessage;
+
 @end
 
 @implementation RCTRedBoxWindow
@@ -13,7 +15,6 @@
   UIView *_rootView;
   UITableView *_stackTraceTableView;
 
-  NSString *_lastErrorMessage;
   NSArray *_lastStackTrace;
 
   UITableViewCell *_cachedMessageCell;
@@ -289,6 +290,15 @@
 
 }
 
+- (NSString *)currentErrorMessage
+{
+  if (_window && !_window.hidden) {
+    return _window.lastErrorMessage;
+  } else {
+    return nil;
+  }
+}
+
 - (void)dismiss
 {
   [_window dismiss];