Change index page's phrases
Merge pull request #47 from chezou/change-index-page

Change index page's phrases
#37 satonoさんのindex.html改訳案を取り込み
Merge pull request #48 from gosyujin/change-index-page-#37

#37 satonoさんのindex.html改訳案を取り込み
Merge pull request #49 from gosyujin/master

Merge branch 'master' into gh-pages