Revert "Revert "first commit using Github for Windows""

This reverts commit bf44e4b014c0dd85240169d2cccd861d46e854fb.
Revert "hogehoge"

This reverts commit 2b15a81154a5ced6f9f46ef1d5a5c5532f316f49.
Merge remote-tracking branch 'origin/branch_test'