CBQE-0: add skip building param

Change-Id: I7eb05bf76e1dc69d6a6c1bf57c8a7cc93bf9501b
Reviewed-on: http://review.couchbase.org/29885
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>