Not Running error should not fail haproxy_restart

It should start haproxy instead of failing

Change-Id: I4ab786a6655f751355c610c94cf3e8e957f51938
Prevent neutron server from starting on installation on Ubuntu

Change-Id: I6a29599b7979211b7e54948bb9523d5134fa9b16
Closes-bug: #1263947
Merge "Not Running error should not fail haproxy_restart"