Merge pull request #1159 from stephanecopin/errorCodeFailedURLs

Add handling for additional error codes that shouldn't be considered a permanent failure

@@ -192,7 +192,9 @@
                         }
                     });
 
-                    if (error.code != NSURLErrorNotConnectedToInternet && error.code != NSURLErrorCancelled && error.code != NSURLErrorTimedOut) {
+                    BOOL shouldBeFailedURLAlliOSVersion = (error.code != NSURLErrorNotConnectedToInternet && error.code != NSURLErrorCancelled && error.code != NSURLErrorTimedOut);
+                    BOOL shouldBeFailedURLiOS7 = (NSFoundationVersionNumber > NSFoundationVersionNumber_iOS_6_1 && error.code != NSURLErrorInternationalRoamingOff && error.code != NSURLErrorCallIsActive && error.code != NSURLErrorDataNotAllowed);
+                    if (shouldBeFailedURLAlliOSVersion || shouldBeFailedURLiOS7) {
                         @synchronized (self.failedURLs) {
                             [self.failedURLs addObject:url];
                         }