Email: Add new check frequency options (2h, 4h & 1 day)

- Ported from cm-9 & cm-10

Change-Id: Ia59f4e8db5e7458a0e12d5530c25589cc84a79bf
Email: ES translations

Change-Id: I9935f73abc0a4c68f973087fa5876afa6973ca37
Email: PT-BR Translations

Change-Id: I6c6bcf047a3743ee89bd237541e3b749af01b5b9