Disabled basic authentication in default config & added comments.

Change-Id: If49fe931f3f88667e525354ede9fc8cb1ac3e472
diff --git a/core/src/main/java/de/ids_mannheim/korap/config/KustvaktConfiguration.java b/core/src/main/java/de/ids_mannheim/korap/config/KustvaktConfiguration.java
index f88b724..260dcda 100644
--- a/core/src/main/java/de/ids_mannheim/korap/config/KustvaktConfiguration.java
+++ b/core/src/main/java/de/ids_mannheim/korap/config/KustvaktConfiguration.java
@@ -114,7 +114,7 @@
         queryLanguages = new ArrayList<>();
         for (String querylang : qls)
             queryLanguages.add(querylang.trim().toUpperCase());
-        String is = properties.getProperty("kustvakt.security.jwt.issuer", "");
+        String is = properties.getProperty("security.jwt.issuer", "");
 
         if (!is.startsWith("http"))
             is = "http://" + is;