* doc/README.cygwin: translated From: Dai Sato <satodai@dog.intcul.tohoku.ac.jp>
* doc-jp/README: update * doc/README: update * doc-jp/README.cygwin: deleted * doc/README.cygwin: deleted From: WATANABE Katsuyuki <katsuyuki_1.watanabe@toppan.co.jp>