sakai add sakai_feature.txt
Merge branch 'develop' of https://github.com/newface2013/git-learning into develop
Merge branch 'develop' of https://github.com/newface2013/git-learning into develop
Merge branch 'develop' of https://github.com/newface2013/git-learning into develop
Merge branch 'develop' of https://github.com/newface2013/git-learning into develop