Updates for Django tutorial for PTVS 2.0 RTM

Clarify which version of the Azure SDK are supported for every version of Visual Studio supported by PTVS
Changed naming convention of PTVS to 'Python Tools 2.0 for Visual Studio', ie. the PTVS version number comes after Python Tools, not after Visual Studio
Naming of Cloud Services command has changed in new Azure SDK/Visual Studio 2013.