I translated 'maintenance' parts in ja/transcriptions.ts (#115)
I translated 'maintenance' parts in ja/transcriptions.ts (#115)

* update ja/translations.ts by NII

* add new items to ja/translations.ts by NII

* modify .gitignore

* Add new items into ja/translations.ts by NII

* fix minor mistakes

* I translated maintenance part in ja/translations.ts

* fix minor blnak space trouble.

fix the minor blank-space trouble.

hmoco/ember-osf-web,hmoco/ember-osf-web,hmoco/ember-osf-web