Minor
Change view engine: jade->swig
Set views config
Moving view templates from jade to swig
Minor
Merge branch 'swig'

Conflicts:
	config/express.js
Move script to an external file
Swig: example of using a for block
Add maildev to devDependencies
Migrating express from 3.x to 4.x
Add font-awesome, a css toolkit
login page: improve design
Remove hr style
Minor: improve design
Minor
Add mongoose to dependencies
Minor
Bootstrap: nest the input group inside of the form group
Add img assets
Run tasks concurrently with grunt-concurrent