Merge pull request #913 from momoto/patch-2

Update createdatabase.md

Author: craigg-msft

docs/includes/createdatabase.md

@@ -4,4 +4,4 @@
  [Create a SQL database in minutes using the Azure portal](https://azure.microsoft.com/documentation/articles/sql-database-get-started/)
 
  ## Microsoft SQL Server 
- [Microsoft SQL Server database product samples, on CodePlex](http://msftdbprodsamples.codeplex.com/)
+ [Microsoft SQL Server Samples on GitHub](https://github.com/Microsoft/sql-server-samples/releases/tag/adventureworks)