Update DBC Zen project readme.
Update Node Zen README with endpoints and expected responses.
Update Sinatra Zen README with endpoints and expected responses.
Merge pull request #1 from patrickreynolds/patrick

Add initial documentation in project README.
Merge branch 'master' of https://github.com/patrickreynolds/dbc-zen into quote_sinatra
"pull request"
Include Gemfile.lock file.