Update copyright note.
|@@ -12,9 +12,6 @@ The design is based on following blogs. Thanks for their wonderful works.|
|-Following directories and their contents are copyrighted by me, Xin Wang. You may not reuse anything in them without my permission:|
|+Contents of articles and pages are copyrighted by me, Xin Wang. You may not reuse anything of them without my permission.|
|All other directories and files are MIT Licensed.|