CBD-1108:  add commit_validation script  couchdb-gerrit.sh

Change-Id: Ib7590a75248e1f87e6cd8e4750bd5f762adc7569
CBD-1108:  use manifest/fetch-manifest.rb to sync repos so can use more than one

Change-Id: Id4019c69ab6fde092ce059bc2470ab1fcef36f45