SEC-1705: Make sure a single OpenIDAuthenticationFilter bean is created by the namespace. Likewise for UsernamePasswordAuthenticationFilter.

samples/openid/openid.gradle

@@ -6,8 +6,13 @@ apply plugin: 'jetty'
 dependencies {
     providedCompile 'javax.servlet:servlet-api:2.5@jar'
 
-    runtime project(':spring-security-web'),
-            project(':spring-security-config'),
-            project(':spring-security-openid'),
-            'log4j:log4j:1.2.15@jar'
-}
+    runtime project(':spring-security-config'),
+            project(':spring-security-taglibs'),
+//            'xerces:xercesImpl:2.9.1',
+//            'net.sourceforge.nekohtml:nekohtml:1.9.7',
+            "javax.servlet:jstl:$jstlVersion",
+            "org.slf4j:jcl-over-slf4j:$slf4jVersion",
+            "ch.qos.logback:logback-classic:$logbackVersion"
+}
+
+[jettyRun, jettyRunWar]*.contextPath = "/openid"