introduce configurable login providers to selectively show/hide different login methods
enable localAuth
Replaced hardcoded success flash with express-flash
merge from upstream
Merge branch 'master' of https://github.com/JahlomP/hackathon-starter into JahlomP-master

* 'master' of https://github.com/JahlomP/hackathon-starter:
  Replaced hardcoded success flash with express-flash
Changed successful login message to "success" flash instead of "info"
Converted tabs to spaces
Replaced tabs to spaces
Merge branch 'seafoodbuffet-configurable_auth'

* seafoodbuffet-configurable_auth:
  Replaced tabs to spaces
  Converted tabs to spaces
  enable localAuth
  introduce configurable login providers to selectively show/hide different login methods
Removed Procfile and Update README accordingly. Not necessary for Heroku deployment.
Added scripts: { start: "node app.js" } in package.json (per Heroku recommendation)
Add Nodemailer and Mailgun option for contact form
Add Venmo oauth2 strategy
Add venmo authorize, callback and API urls, and a corresponding Venmo controller
Get profile data in getVenmo controller
Add Venmo template
Update textfield type for Name
Added make payment form for Venmo API
Add send a payment form, route and controller for Venmo API
Display Venmo error flash message on POST request if statusCode is not 200