Added comments, moved EntityHandlerIface, and cleaned up old codes.

Change-Id: I1a182b6ecd3dfeea4af08f3accd72fbce9af0f9c
diff --git a/full/src/main/resources/default-config.xml b/full/src/main/resources/default-config.xml
index 1ef5429..e901b2a 100644
--- a/full/src/main/resources/default-config.xml
+++ b/full/src/main/resources/default-config.xml
@@ -261,7 +261,7 @@
 	<bean id="kustvakt_authenticationmanager"
 		class="de.ids_mannheim.korap.authentication.KustvaktAuthenticationManager">
 		<constructor-arg
-			type="de.ids_mannheim.korap.interfaces.db.EntityHandlerIface" ref="kustvakt_userdb" />
+			type="de.ids_mannheim.korap.interfaces.EntityHandlerIface" ref="kustvakt_userdb" />
 		<constructor-arg type="de.ids_mannheim.korap.interfaces.EncryptionIface"
 			ref="kustvakt_encryption" />
 		<constructor-arg ref="kustvakt_config" />