Lesson 47

1. Adding `Clients` branch of Dao, Service and Controller
2. Adding @SessionAttributes annotation for getting "Client"-class object from session -> now you can see "Hello"-message on main pages
3. Adding some JavaScript functions into the projects (see 'specialFunctions.js')
4. Adding AJAX queries for checking email, login before registration of new clients
5. Adding form for "sign up"
6. Depending on the role of the client, the pages have or do not have access to the functions change, delete records from the database

-- To be continued.