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
fixed conflict