added space in typeperf command and fixed iteration issue in process list

Change-Id: Ib9fcfa03b6eaca51169c2ca03cdcc66bbde0f0b5
Reviewed-on: http://review.couchbase.org/42689
Reviewed-by: Venu Uppalapati <venumahesh@gmail.com>
Tested-by: Venu Uppalapati <venumahesh@gmail.com>