Add QA data from district four

It added three additional fields:prefi_desc, alias_desc, juris_desc.
Uncomment test

Fixed projection of dataset so test should now pass. Fixes #30
Merge pull request #44 from codeforamerica/add-district-four-data

Add QA data from district four
Buffer point less

Based on user feedback, it was returning too many results previously.
Merge pull request #45 from codeforamerica/buffer-point-less

Reduce buffer of point
Add resource for sending emails
Exclude tests that send email on Travis
Handle response in module like others
Post data to send endpoint
Check that remind_on is in the future
Finish implementing FetchDueReminders
Add namespace
Revert the Gemfile change