New Comoss island map (#618)

* Create island_new.yml

* first map state

Content.Server/Atmos/EntitySystems/FlammableSystem.cs

@@ -448,6 +448,7 @@ namespace Content.Server.Atmos.EntitySystems
 
                 if (flammable.FireStacks > 0)
                 {
+/* CP14 Airtight walls should burn too!
                     var air = _atmosphereSystem.GetContainingMixture(uid);
 
                     // If we're in an oxygenless environment, put the fire out.
@@ -456,7 +457,7 @@ namespace Content.Server.Atmos.EntitySystems
                         Extinguish(uid, flammable);
                         continue;
                     }
-
+*/
                     var source = EnsureComp<IgnitionSourceComponent>(uid);
                     _ignitionSourceSystem.SetIgnited((uid, source));