HG Friends working to some extent: friendships offered and accepted correctly handled. Friends list showing correct foreign names. TODO: GrantRights.

OpenSim/Data/IFriendsData.cs

@@ -34,7 +34,7 @@ namespace OpenSim.Data
 {
     public class FriendsData
     {
-        public UUID PrincipalID;
+        public string PrincipalID;
         public string Friend;
         public Dictionary<string, string> Data;
     }