IDEA-19061 Integrate the Rearranger-plugin into core-IDEA

1. 'Constructor' entry type is defined and supported at java rearranger;
2. Test data fixes;

java/java-tests/testData/refactoring/extractMethodObject/WithPrivateMethodUsed1.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2000-2012 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 import java.util.Date;
 
 public class TestClass {
@@ -50,5 +65,4 @@ public class TestClass {
         Date beginDate = ( today == null ? start : today );
         return ( ( endDate.getTime() - beginDate.getTime() ));
     }
-
 }