Fix namespace rule
Fix namespaces
Add sms reminders.

Environment variables: encrypt for travis and add to config. Exclude
tests from running on travis.
Add task to fetch and send sms reminders
Add send sms reminders endpoint

Move test helper method for authentication somewhere reusable
Make send reminder base class abstract

Actually instantiate send reminder using child class
Add rake task to test sending sms
Merge pull request #67 from codeforamerica/add-text-reminders

Add text reminders
Update location of env vars
Include system tests on travis