update ehcache to version 2.5.1

pom.xml

@@ -431,7 +431,7 @@
     <servlet.version>2.5</servlet.version>
     <guice.version>3.0</guice.version>
     <jersey.version>1.11</jersey.version>
-    <ehcache.version>2.4.6</ehcache.version>
+    <ehcache.version>2.5.1</ehcache.version>
     <freemarker.version>2.3.18</freemarker.version>
     <jetty.version>7.5.4.v20111024</jetty.version>
     <logback.version>1.0.0</logback.version>

scm-webapp/src/main/java/sonia/scm/cache/EhCacheManager.java

@@ -71,6 +71,17 @@ public class EhCacheManager implements CacheManager
       new net.sf.ehcache.CacheManager(EhCacheManager.class.getResource(CONFIG));
   }
 
+  /**
+   * This constructor is only for unit tests
+   *
+   *
+   * @param cacheManager
+   */
+  public EhCacheManager(net.sf.ehcache.CacheManager cacheManager)
+  {
+    this.cacheManager = cacheManager;
+  }
+
   //~--- methods --------------------------------------------------------------
 
   /**

scm-webapp/src/test/java/sonia/scm/cache/EhCacheTest.java

@@ -68,7 +68,7 @@ public class EhCacheTest
   @Before
   public void before()
   {
-    cm = new EhCacheManager();
+    cm = new EhCacheManager(net.sf.ehcache.CacheManager.create());
     cache = cm.getCache(String.class, String.class, "test");
   }
 

scm-webapp/src/test/java/sonia/scm/web/security/ChainAuthenticationManagerTest.java

@@ -283,7 +283,8 @@ public class ChainAuthenticationManagerTest extends AbstractTestBase
   //~--- fields ---------------------------------------------------------------
 
   /** Field description */
-  private CacheManager cacheManager = new EhCacheManager();
+  private CacheManager cacheManager =
+    new EhCacheManager(net.sf.ehcache.CacheManager.create());
 
   /** Field description */
   private ChainAuthenticatonManager manager;