Improve the consistency checking mechanism
Improve the consistency checking mechanism

If there is no executor running, the steps can't really be in
running/suspended state, as well as execution plan to be in planned state

daviddavis/dynflow,adamruzicka/dynflow,adamruzicka/dynflow,adamruzicka/dynflow,dLobatog/dynflow,daviddavis/dynflow,adamruzicka/dynflow,daviddavis/dynflow,ares/dynflow,Dynflow/dynflow,xprazak2/dynflow,xprazak2/dynflow,dLobatog/dynflow,Dynflow/dynflow,dLobatog/dynflow,Dynflow/dynflow,dLobatog/dynflow,Dynflow/dynflow,ares/dynflow,ares/dynflow,daviddavis/dynflow