Merge pull request #3 from jparishy/dev

clean up github tutorial
Merge pull request #4 from jparishy/dev

accidentally left an empty string in the file
Merge pull request #5 from jparishy/dev

setup heroku
add receive hook
update twilio
typo
change log
test twilio
typo
more typos
more typos
wasn't getting all the data
refactor
syntax error
syntax error
express setup
jsonify
test response
syntax
create skeleton functions for implementation