[BUGFIX] Mapquest not avalaible
[BUGFIX] Mapquest not avalaible

Mapquest is now disabled fixes #324
It will be insteresting to activate it with a key for mapquest customers.

laurentj/lizmap-web-client,3liz/lizmap-web-client,jancelin/lizmap-web-client,rldhont/lizmap-web-client,aeag/lizmap-web-client,rldhont/lizmap-web-client,aeag/lizmap-web-client,nboisteault/lizmap-web-client,jancelin/lizmap-web-client,jancelin/lizmap-web-client,makinacorpus/lizmap-web-client,aeag/lizmap-web-client,jancelin/lizmap-web-client,3liz/lizmap-web-client,makinacorpus/lizmap-web-client,aeag/lizmap-web-client,laurentj/lizmap-web-client,aeag/lizmap-web-client,makinacorpus/lizmap-web-client,makinacorpus/lizmap-web-client,rldhont/lizmap-web-client,rldhont/lizmap-web-client,3liz/lizmap-web-client,jancelin/lizmap-web-client,nboisteault/lizmap-web-client,laurentj/lizmap-web-client,3liz/lizmap-web-client,nboisteault/lizmap-web-client,nboisteault/lizmap-web-client,jancelin/lizmap-web-client,laurentj/lizmap-web-client,makinacorpus/lizmap-web-client