Correct state_path option's help string
Correct state_path option's help string

Make it consistent with neutron/common/config.py

Change-Id: If7a57247f65280db9dced69068f8c8f5d7e243d5

wolverineav/neutron,huntxu/neutron,klmitch/neutron,mahak/neutron,huntxu/neutron,noironetworks/neutron,wolverineav/neutron,klmitch/neutron,igor-toga/local-snat,MaximNevrov/neutron,mahak/neutron,cloudbase/neutron,dims/neutron,sebrandon1/neutron,bigswitch/neutron,bigswitch/neutron,dims/neutron,MaximNevrov/neutron,sebrandon1/neutron,eayunstack/neutron,mahak/neutron,cloudbase/neutron,noironetworks/neutron,openstack/neutron,openstack/neutron,openstack/neutron,igor-toga/local-snat,eayunstack/neutron