Cleanup src dir
Revert "Cleanup src dir"

This reverts commit ad3eee74c01d1f1a81317aff4947c51431f875c7.
Cleanup src dir
Set new src dir
Merge pull request #2 from tetsuwo/hotfix-cleanup-dir

Hotfix cleanup dir
Cleanup files
Merge pull request #3 from tetsuwo/hotfix-cleanup-dir

Cleanup files
環境依存のコードを修正
Merge pull request #4 from tetsuwo/hotfix-cleanup-dir

環境依存のコードを修正
Update README.md
Merge pull request #5 from tetsuwo/develop

Update README.md