NCBC-594: Provide support for Management API

Change-Id: Idb0bd2b61b69f3c6ccaf4f094ddeb41d951de3cf

Conflicts:
	Src/Couchbase.Tests/Couchbase.Tests.csproj
	Src/Couchbase/Core/Buckets/CouchbaseBucket.cs
	Src/Couchbase/CouchbaseCluster.cs
Change-Id: I61a19ec417eac8296bdb9bcdc48deaaf092373de
Reviewed-on: http://review.couchbase.org/41729
Reviewed-by: Jeffry Morris <jeffrymorris@gmail.com>
Tested-by: Jeffry Morris <jeffrymorris@gmail.com>