Staging PR for My (@cookrn's) Changes

Tickets this should fix:

- [x] [Subject Spacing Typo](https://trello.com/c/dm12i4FJ/11-typo-in-email-subject-line-add-space) [[PR](https://github.com/kcbigring/dailybaby/pull/1)]
- [x] [Subject Age Calculation Error](https://trello.com/c/JuyfHnUu/19-age-error-in-email-subject-line) [[PR](https://github.com/kcbigring/dailybaby/pull/6)]
- [x] [Daily Email From Address Incorrect](https://trello.com/c/lcl9KaLy/12-the-email-from-field-should-be-from-the-daily-baby-not-pictures-thedailybaby-com) [[PR](https://github.com/kcbigring/dailybaby/pull/2)]
- [x] [Insert Image In Email](https://trello.com/c/omjHKYWc/13-instert-a-medium-sized-image-from-smugmug-into-the-email-instead-of-attaching-a-large-file) [[PR](https://github.com/kcbigring/dailybaby/pull/3)]
- [x] [Send Reminders to Parents](https://trello.com/c/MbZCHvRY/14-reminders) [[PR](https://github.com/kcbigring/dailybaby/pull/7)]