Added headers

Author: krosenvold

src/main/java/org/codehaus/plexus/archiver/resources/PlexusIoVirtualFileResource.java

@@ -1,7 +1,7 @@
 package org.codehaus.plexus.archiver.resources;
 
 /*
- * Copyright 2007 The Codehaus Foundation.
+ * Copyright 2014 The Codehaus Foundation.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/main/java/org/codehaus/plexus/archiver/resources/PlexusIoVirtualSymlinkResource.java

@@ -1,3 +1,19 @@
+/*
+ * Copyright 2014 The Codehaus Foundation.
+ *
+ * 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.
+ */
+
 package org.codehaus.plexus.archiver.resources;
 
 import java.io.File;