Add: API for alarm reportage

- Includes alarm migration
- Rake task to post to locally running rails server
Too easy to commit twilio keys to source control.

- copy config/initializers/sms.rb.sample to config/initializers/sms.rb
- fill in values
- privacy FTW
List current alarms (with ability to close in HTML)
Tests for Alarm's start/stop alarm

- It should yield itself to a block
- It should not hate if you don't send a block