Microsoft.Graph.Core

New Features:

• Added Graph client factory to create HTTP clients that are pre-configured to make requests to Graph APIs.
• Added batch request content that make is easy to create payloads for a Graph batch request.
• Added batch response content to process batch responses from Graph.
• Added compression middleware handler to request, detect and decompress response bodies from Graph service.
• Added response handler to process native HTTP response messages to strongly typed Graph objects.

Fixes:

• #136.
• #205.
• #401.
• #431.
• #435.