Implement #26

Merged tamra merged 3 commits into tamra:master from tamra:implement on 6 May 2018
2018-05-06
@TAM (Teppei Tamra)
画像の角を丸めるコード追加。
TAM (Teppei Tamra) committed on 6 May 2018
@TAM (Teppei Tamra)
設定追加。
TAM (Teppei Tamra) committed on 6 May 2018
@TAM (Teppei Tamra)
翻訳更新。
TAM (Teppei Tamra) committed on 6 May 2018