Change package name to "couchbase"

Make the package name match the old 0.8 version name

Change-Id: If556f2fa112e5577ac514271d0fb744628b9cc83
Reviewed-on: http://review.couchbase.org/25915
Reviewed-by: Matt Ingenthron <matt@couchbase.com>
Tested-by: Matt Ingenthron <matt@couchbase.com>