Added AvatarFetcher options to the default config

Author: rictic

defaults/code_swarm.config

@@ -106,6 +106,15 @@ UseOpenGL=false
 # Default user avatar
 AvatarFetcher=GravatarFetcher
 
+# Other common avatar options:
+
+#AvatarFetcher=NoAvatar
+
+# looks for avatar images (with the same name as the user name) in 
+# the LocalAvatarDirectory
+#AvatarFetcher=LocalAvatar
+
+
 # Other options include: monsterid, wavatar
 GravatarFallback=identicon