re-adding jan Pije's hacks and screenshots

static/extra/COPYRIGHT.txt

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+Files in this directory include copyrighted contents that belong to other people
+and companies and therefore can not be released under the terms of the MIT
+license.
+
+shogi_title.png, shogi_game1.png, shogi_game2.png: © Universal Entertainment
+Corporation
+
+Features footage from the game "Naitou 9 Dan - Shougi Hiden" (内藤九段将棋秘伝),
+published by SETA Corporation in 1985 in Japan. The company no longer exists,
+and its properties presumably are now held by its parent company, "Universal
+Entertainment Corporation" (formerly Aruze).
+
+mahjong_title.png, mahjong_game1.png, mahjong_game2.png: © Konami Holdings
+Corporation
+
+Features footage from the game "4 Nin Uchi Mahjong" (４人打ち麻雀), published
+by Hudson Soft in 1984 in Japan. The company's assets are now owned by Konami.

static/extra/jp/COPYRIGHT.txt

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+Files in this directory include copyrighted contents that belong to other people
+and companies and therefore can not be released under the terms of the MIT
+license.
+
+Screenshots of video games:
+batman.png: © SUNSOFT, DC Comics
+duckhunt.png: © Nintendo
+jaws.png: © LJN Toys Ltd., Universal Pictures
+loz.png: © Nintendo
+smb1.png: © Nintendo
+smb2.png: © Nintendo
+smb3.png: © Nintendo
+smw.png: © Nintendo
+tmnt2.png: © Konami Group Corp., Mirage Studios
+toki.png: © TAD Corporation
+zeldaii.png: © Nintendo
+
+The .zip files are all made by Bryant Knight (jan Pije) and provided here with permission from the author.