Add controller and view for user profile page.
Return 'not found' for not existing user.
Display recent matches on user's profile.
Create links to user's profile page.
Fix UserService.findById to return dto instead of entity.
Display user login on top and in page title.
Display total matches played on user profile page.
Display number of survived campaign matches on user profile page.
Display number of won versus matches on user profile page.
Merge branch 'feature-user-profile-page'