Added docid dataset for FTS
Added docid dataset for FTS

Change-Id: I71b928f1c5479cdb3abbe9e0f87a616906bebd51
Reviewed-on: http://review.couchbase.org/69747
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Alex Gyryk <0e5cab161284683621f17481c0995df0d35b63eb@couchbase.com>

couchbase/perfrunner,couchbase/perfrunner,couchbase/perfrunner,pavel-paulau/perfrunner,pavel-paulau/perfrunner,couchbase/perfrunner,couchbase/perfrunner,couchbase/perfrunner,pavel-paulau/perfrunner,pavel-paulau/perfrunner,pavel-paulau/perfrunner