networking-odl: skip jobs when doc only change
networking-odl: skip jobs when doc only change

Change-Id: I428239eb8664cbc5855be35469958f592091f1e6
Closes-bug: #1640844

openstack-infra/project-config,Tesora/tesora-project-config,openstack-infra/project-config,Tesora/tesora-project-config