Merge pull request #16 from nelsonriley/feat/syncapitoclient

Feat/syncapitoclient
(doc) Remove unused 'Usage' section, add Twilio as requirement
Merge pull request #18 from tochiai/doc/readme

(doc) Remove unused 'Usage' section, add Twilio as requirement
Merge branch 'master' of https://github.com/doingfine/doingfine into feat/syncapitoclient