Prepared servlet config to pass config files as ressource

This is needed if using index.html instead of developer.html

src/main/webapp/WEB-INF/arsnova-servlet.xml

@@ -14,8 +14,8 @@
 	<mvc:resources mapping="/**.html" location="/" />
 	<mvc:resources mapping="/**.png" location="/"/>
 	<mvc:resources mapping="/**.manifest" location="/"/>
-	<mvc:resources mapping="/config.json" location="/"/>
-	<mvc:resources mapping="/config.xml" location="/"/>
+	<mvc:resources mapping="/**.json" location="/"/>
+	<mvc:resources mapping="/**.xml" location="/"/>
 	<mvc:resources mapping="/dojo/**" location="/dojo/"/>
 	<mvc:resources mapping="/dijit/**" location="/dijit/"/>
 	<mvc:resources mapping="/dojox/**" location="/dojox/"/>

src/main/webapp/WEB-INF/spring/spring-security.xml

@@ -27,7 +27,7 @@
 		<sec:openid-login user-service-ref="openidUserDetailsService"
 			default-target-url="${security.openid-target-url}" />
 	</sec:http>
-
+	
 	<bean id="casFilter"
 		class="org.springframework.security.cas.web.CasAuthenticationFilter">
 		<property name="authenticationManager" ref="casAuthManager" />