Add John's slides to repository

Change-Id: Iecd88337706c82df030fadc9b25a4e5e00a7c616
Reviewed-on: http://review.couchbase.org/35458
Reviewed-by: John Liang <johliang00@gmail.com>
Reviewed-by: Deepkaran Salooja <deepkaran.couchbase@gmail.com>
Tested-by: Sriram Melkote <siri@couchbase.com>
Reviewed-by: Sriram Melkote <siri@couchbase.com>