NavitiaCommon: if redis is down it's not a big deal
NavitiaCommon: if redis is down it's not a big deal

we don't have to crash if redis is unavailable

djludo/navitia,frodrigo/navitia,lrocheWB/navitia,CanalTP/navitia,kadhikari/navitia,patochectp/navitia,xlqian/navitia,datanel/navitia,francois-vincent/navitia,antoine-de/navitia,TeXitoi/navitia,prhod/navitia,lrocheWB/navitia,lrocheWB/navitia,patochectp/navitia,francois-vincent/navitia,VincentCATILLON/navitia,pbougue/navitia,pbougue/navitia,ballouche/navitia,Tisseo/navitia,VincentCATILLON/navitia,is06/navitia,antoine-de/navitia,patochectp/navitia,kadhikari/navitia,ballouche/navitia,kinnou02/navitia,pbougue/navitia,Tisseo/navitia,djludo/navitia,xlqian/navitia,is06/navitia,xlqian/navitia,thiphariel/navitia,francois-vincent/navitia,fueghan/navitia,xlqian/navitia,frodrigo/navitia,is06/navitia,CanalTP/navitia,kinnou02/navitia,is06/navitia,TeXitoi/navitia,TeXitoi/navitia,frodrigo/navitia,frodrigo/navitia,CanalTP/navitia,kadhikari/navitia,stifoon/navitia,xlqian/navitia,Tisseo/navitia,VincentCATILLON/navitia,lrocheWB/navitia,VincentCATILLON/navitia,pbougue/navitia,fueghan/navitia,djludo/navitia,ballouche/navitia,stifoon/navitia,kinnou02/navitia,francois-vincent/navitia,thiphariel/navitia,Tisseo/navitia,datanel/navitia,antoine-de/navitia,prhod/navitia,stifoon/navitia,ballouche/navitia,kinnou02/navitia,datanel/navitia,CanalTP/navitia,thiphariel/navitia,datanel/navitia,fueghan/navitia,CanalTP/navitia,thiphariel/navitia,kadhikari/navitia,fueghan/navitia,patochectp/navitia,TeXitoi/navitia,stifoon/navitia,prhod/navitia,antoine-de/navitia,djludo/navitia,Tisseo/navitia,prhod/navitia