CBQE-0 add priorities to the warmup conf file

Change-Id: I0e267be10c71dda3e2564329d78bf3b2cd930d10
Reviewed-on: http://review.couchbase.org/25786
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>
CBQE-0 set priorities for flush conf

Change-Id: I6b0519ee66eb4069747e7804d4c5080b2739ddd9
Reviewed-on: http://review.couchbase.org/25787
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>