NCBC-360: Default connection timeout improperly set in SocketPoolConfiguration.cs

Change-Id: I893a36c635db0e8c22bee5299f682ff2ce67ffe5
Reviewed-on: http://review.couchbase.org/31805
Tested-by: Jeffry Morris <jeffrymorris@gmail.com>
Reviewed-by: Brett Lawson <brett19@gmail.com>