Added schema and validations in modulate form to reuse
Added user schema unit-test
Merge branch 'user-schema-ut' into sign-up-a-user
Merge branch 'develop' into sign-up-a-user
Fixed an error about email's unique property
Merge branch 'user-schema' into user-schema-ut
Merge branch 'user-schema-ut' into sign-up-a-user
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
Merge branch 'develop' into login
Fixed problems of authentication in unit-testing
Merge branch 'login' into sign-up-user