Revert lazy token serialization.
Remvove interceptor middleware
Allow PushStreamContent and JsonContent to be buffered.
Allow StreamsController.StreamQueryContent to be buffered ( I think - changing this prevents the request from hanging in IIS) To be reviewed.
Update MS.Owin packages.
Update HttpClient packages.
Remove InvalidDataException, provided by Bcl package update/
Merge branch 'webapi' into stupid

Conflicts:
	Raven.Database/Server/AppBuilderExtensions.cs
	Raven.Database/Server/Controllers/JsonContent.cs