Add sample users as seed data with different permissions

[ci]

I've added some sample users for developer's ease to login on the platform when setting up locally.

Using rake db:seed on the development environment, it creates 5 users and the afferent profiles with different permissions, and some random passwords.

[ci]

Flagul lui John Doe care se presupunea ca are toate flagurile era setat 0 din greseala mea ca folosisem AND in loc de OR, si am observat acum. Am fixat prin alt commit si am explicat mai bine.