Updated OAuth2 client authentication.

Change-Id: Ic13a38afd2d405fa2b450d80c4737261a4ab1edc
diff --git a/full/src/main/resources/default-config.xml b/full/src/main/resources/default-config.xml
index 76917d4..95b2365 100644
--- a/full/src/main/resources/default-config.xml
+++ b/full/src/main/resources/default-config.xml
@@ -169,7 +169,9 @@
 	<bean id="urlValidator" class="org.apache.commons.validator.routines.UrlValidator">
 		<constructor-arg value="http,https" />
 	</bean>
-
+	<bean id="httpsValidator" class="org.apache.commons.validator.routines.UrlValidator">
+		<constructor-arg value="https"/>
+	</bean>
 
 	<bean id="kustvakt_rewrite" class="de.ids_mannheim.korap.rewrite.FullRewriteHandler">
 		<constructor-arg ref="kustvakt_config" />