Merge to master - December 2013

- Refactors the directory structure
  - Promotes `libraries` folder
  - Moves services without source in the enlistment into the `services` folder (media, mobile, storage)
  - Removes storage client libraries source from master as you can now find them in the [https://github.com/WindowsAzure/azure-storage-net](azure-storage-net) repo
- Adds management libraries
  - SQL Database
  - Monitoring, Scheduler, Web Sites, Compute all to the latest versions
- Adds preview tracing libraries
- Adds .NET 4.0 support to WAML