* java/io/DataInputStream.java: update copyright notice
* java/io/PrintWriter.java: idem
* java/io/Reader.java: idem
* java/io/StreamTokenizer.java: idem
* java/io/StringReader.java: idem
* java/lang/reflect/ReflectPermission.java: idem
From-SVN: r39798
* All files: Updated copyright information.
* COPYING: New file.
* COPYING.LIB: Removed.
* LIBGCJ_LICENSE: We now use GPL + special exception.
From-SVN: r32387