Replace upr with dcp in all file names

Change-Id: Ia418e96b5bcebf40ef99e3c27ce3fb8f20f68f0e
Reviewed-on: http://review.couchbase.org/40941
Reviewed-by: Chiyoung Seo <chiyoung@couchbase.com>
Reviewed-by: Sundararaman Sridharan <sundar@couchbase.com>
Tested-by: Michael Wiederhold <mike@couchbase.com>