Sample data doesn't get installed when installing from backoffice

[simonech]

When installing from backoffice the site structure and sample blog post doesn't get installed.

Error log shows that some file cannot be downloaded

Message:
Error loading package action '"articulateInstall"' for package "Articulate"

									
Exception:
Microsoft.WindowsAzure.Storage.StorageException: The remote server returned an error: (404) Not Found. ---> System.Net.WebException: The remote server returned an error: (404) Not Found.
   at System.Net.HttpWebRequest.GetResponse()
   at Microsoft.WindowsAzure.Storage.Core.Executor.Executor.ExecuteSync[T](RESTCommand`1 cmd, IRetryPolicy policy, OperationContext operationContext)
   --- End of inner exception stack trace ---
   at Microsoft.WindowsAzure.Storage.Core.Executor.Executor.ExecuteSync[T](RESTCommand`1 cmd, IRetryPolicy policy, OperationContext operationContext)
   at Microsoft.WindowsAzure.Storage.Blob.CloudBlob.StartCopy(Uri source, Nullable`1 premiumPageBlobTier, AccessCondition sourceAccessCondition, AccessCondition destAccessCondition, BlobRequestOptions options, OperationContext operationContext)
   at Microsoft.WindowsAzure.Storage.Blob.CloudBlob.StartCopy(Uri source, AccessCondition sourceAccessCondition, AccessCondition destAccessCondition, BlobRequestOptions options, OperationContext operationContext)
   at Umbraco.Cloud.StorageProviders.AzureBlob.FileSystem.AddFile(String path, String physicalPath, Boolean overrideIfExists, Boolean copy)
   at Articulate.Packaging.ArticulateDataInstaller.InstallMedia() in D:\a\Articulate\Articulate\src\Articulate\Packaging\ArticulateDataInstaller.cs:line 266
   at Articulate.Packaging.ArticulateDataInstaller.InstallContentData() in D:\a\Articulate\Articulate\src\Articulate\Packaging\ArticulateDataInstaller.cs:line 276
   at Articulate.Packaging.ArticulateDataInstaller.InstallContent() in D:\a\Articulate\Articulate\src\Articulate\Packaging\ArticulateDataInstaller.cs:line 95
   at Articulate.Packaging.ArticulateInstallPackageAction.Execute(String packageName, XElement xmlData) in D:\a\Articulate\Articulate\src\Articulate\Packaging\ArticulateInstallPackageAction.cs:line 15
   at Umbraco.Core.Packaging.PackageActionRunner.RunPackageAction(String packageName, String actionAlias, XElement actionXml, IEnumerable`1& errors)