(feat) Add twilio npm module
(feat) Send texts with twilio
Create schedule model spec
(feat) Add twilio endpoint for responding to SMS via twiML XML
(test)Write and pass schedule validation tests
Merge branch 'master' of https://github.com/doingfine/doingfine into test/schedulemodel
(feat) Add twilio response formatting using TwimlResponse
Merge branch 'master' of https://github.com/doingfine/doingfine into feat/twilio
Merge pull request #13 from tochiai/test/schedulemodel

(test) Write and pass schedule model validation tests
Merge pull request #14 from nelsonriley/feat/twilio

(feat) Add twilio support to send and receive text messages
merge
Merge branch 'master' of https://github.com/doingfine/doingfine into feat/setup-controllers