add geoip service for file shard matching

fix bug

more logging

fix logging wtf is going on even

handle lists in config log output

do not set "*" as default continent

do not rely on "*" being present in configuration when picking file shard

MareSynchronosServer/MareSynchronosShared/Utils/CdnShardConfiguration.cs

@@ -2,11 +2,12 @@
 
 public class CdnShardConfiguration
 {
+    public List<string> Continents { get; set; }
     public string FileMatch { get; set; }
     public Uri CdnFullUrl { get; set; }
 
     public override string ToString()
     {
-        return CdnFullUrl.ToString() + " == " + FileMatch;
+        return CdnFullUrl.ToString() + "[" + string.Join(',', Continents) + "] == " + FileMatch;
     }
 }