Big merge from experimental to bleeding edge.

pkg/intl/lib/bidi_utils.dart

Index: pkg/intl/lib/bidi_utils.dart
diff --git a/pkg/intl/lib/bidi_utils.dart b/pkg/intl/lib/bidi_utils.dart
index f6cb86cdfe7068c8ae0183472a64a7041d232201..b6bb0070df5d6028eea27ca62f58eda5e99b40e7 100644
--- a/pkg/intl/lib/bidi_utils.dart
+++ b/pkg/intl/lib/bidi_utils.dart
@@ -186,7 +186,7 @@ class Bidi {
   static bool isRtlLanguage(String languageString) {
     return new RegExp(r'^(ar|dv|he|iw|fa|nqo|ps|sd|ug|ur|yi|.*[-_]'
         r'(Arab|Hebr|Thaa|Nkoo|Tfng))(?!.*[-_](Latn|Cyrl)($|-|_))'
-        r'($|-|_)', ignoreCase : true).hasMatch(languageString);
+        r'($|-|_)', caseSensitive: false).hasMatch(languageString);
   }
 
   /**
@@ -401,4 +401,4 @@ class Bidi {
   static bool detectRtlDirectionality(String str, {bool isHtml: false}) {
     return estimateDirectionOfText(str, isHtml: isHtml) == TextDirection.RTL;
   }
-}
+}