CBQE-0: changes for run dev_preview

Change-Id: Ia2b0d494d9cb1e99cb0b0c9b5e7acd324616955f
Reviewed-on: http://review.couchbase.org/30044
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>