SEC-2289: Make compatible with Spring 4 as well

There are a few subtle changes in Spring 4 that this commit addresses

cas/src/test/java/org/springframework/security/cas/authentication/EhCacheBasedTicketCacheTests.java

@@ -39,7 +39,7 @@ public class EhCacheBasedTicketCacheTests extends AbstractStatelessTicketCacheTe
     //~ Methods ========================================================================================================
     @BeforeClass
     public static void initCacheManaer() {
-        cacheManager = new CacheManager();
+        cacheManager = CacheManager.create();
         cacheManager.addCache(new Cache("castickets", 500, false, false, 30, 30));
     }