[Web] URBNG-66 Login and authorization - password recovery + URBNG-77 Create new task - LightBox + CSS changes

Added:
 - Tokens table for future 'Remember me' functionality
 - Password recovery (it sends new password to the user if a given e-mail address exists in the database)
 - Several new tests

Changes:
 - Some visual changes
 - More inputs in Create new task lightbox view

Missing:
 - Remember me functionality - it probably won't work till the end of project