Bump version 1.3.3

Change-Id: I28fed6d647c1367733ba089e248a7ba67d963a92
Reviewed-on: http://review.couchbase.org/28965
Tested-by: Sergey Avseyev <sergey.avseyev@gmail.com>
Reviewed-by: Matt Ingenthron <matt@couchbase.com>