* rdr/Exception.h, rdr/FdInStream.cxx, rdr/FdInStream.h,
          rdr/FdOutStream.cxx, rdr/FdOutStream.h, rdr/FixedMemOutStream.h,
          rdr/InStream.cxx, rdr/InStream.h, rdr/MemInStream.h,
          rdr/MemOutStream.h, rdr/NullOutStream.cxx, rdr/NullOutStream.h,
          rdr/OutStream.h, rdr/ZlibInStream.cxx, rdr/ZlibInStream.h,
          rdr/ZlibOutStream.cxx, rdr/ZlibOutStream.h, rdr/types.h,
          zrle.cxx, zrleDecode.h, zrleEncode.h: remove original
        C++ ZRLE implementation. Its been ported to C.

        * NEWS: copy the existing ChangeLog to here and make
        this a more detailed ChangeLog.