Merge pull request #240 from codeforamerica/rebeccav1.4

Rebeccav1.4
added count of recipients for sent reminders
fixed public home page
added auto_response controller for automatic SMS and voice response
added reminder destroy method. this will delete queued rreminders in delayed job.
Merge branch 'develop' of https://github.com/codeforamerica/promptly into develop
fixed positioning on the dashboard
added current page css highlight to sidebar
added new import method to find a phone number column from a given db table
added spanish and chinese text
Merge branch 'develop' into auto-response
Merge pull request #244 from codeforamerica/auto-response

Auto response
updated the reminder details page.
Merge branch 'develop' of https://github.com/codeforamerica/promptly into develop
limited all upcoming reminders to those scheduled in the future
updated the update_conversations rake task
Adding datatables.
fixing merge conflicts
removing debugging statements
Getting datatables to work.