First version of login: error ocurred with passport.authenticated
Fixed an error with local strategy dependencies
Improved unit-test of login, but the authentication still fails in server.post statement
Added grunt prod task, and now default's grunt task generates a single JS file without
minified for debugging
Fixed some dependencies errors with angular-route
Merge branch 'develop' into login
Merge branch 'develop' into sign-up-a-user
Fixed problems of authentication in unit-testing
Merge branch 'login' into sign-up-a-user