added registration route and registration form template
add and install express-validator module
registration route, form
saving user in db
unique username implemented, error requests
login - passport.js adapted, reading from db and hashing pw
designed layout of registration form using bootstrap
designed login form with bootstrap
showing server side error validation messages on response html
implemented password strength bar
added bootstrap 3.3.1 source files and jquery 1.11.1
added compiled source files of bootstrap validator 0.5.3 for backend
implemented bootstrap validator for registration form
implemented login user after successful registration automatically
added first and last name field as required field too
removed unneeded source files of bootstrap
if user is logged in and requests /registration or /login - he is redirected to /app
added login error message on html form
fixed login form for chrome
removed old code and comments