add CHANGELOG
add CHANGELOG

xibbar/jpmobile,sunny4381/jpmobile,sunny4381/jpmobile,yui-knk/jpmobile,xibbar/jpmobile,asonas/jpmobile,komagata/jpmobile,yui-knk/jpmobile,asonas/jpmobile,darashi/jpmobile,mataki/jpmobile,rust/jpmobile-mail,jpmobile/jpmobile,matsu911/jpmobile,gaooh/jpmobile,matsu911/jpmobile,rust/jpmobile-rails2.3.2,jpmobile/jpmobile