Create Multi Level User Management System in CakePHP3

Create an Multi-Level (Group with unlimited Subgroups. Limit Controller Actions for Groups/User) based on CakePHP Built-in Auth Component with CRUD Frontend for an Admin User to CRUD Users/Groups. User Registration - Login With Username/Email & Password - Cookie login with Remember me - Login/Registration with Facebook - Login/Registration with Twitter - Login/Registration with Google - Login/Registration with Yahoo - Login/Registration with Linkedin - Login/Registration with Foursquare - Using CakePHP Built-in Auth Component - Forgot Password - Email Verification User's Features - My Profile - Edit Profile - Change Password - Delete Account (Enable/Disable in settings) Admin Features for Users - Add single user - Add multiple users using CSV - List all users with pagination and sorting - Ajax Search filter to search an user - Ajax pagination and sorting - Activate/Inactivate any user - Verify user's email - Change user's password - View user's profile - Edit user's profile - Delete user's profile - View user's permissions - Possibility to Login As User. User Groups - List all groups with pagination and sorting - Ajax Search filter to search a group - Ajax pagination and sorting - Add User Group - Edit User Group - Delete User Group - Set allow/disallow registration for a group - One user may belongs to more than one group - A group can have unlimited sub groups - Manage controller's actions access permissions for group users - Manage controller's actions access permissions for sub group users We demand: - Clean code with formatting - All Configurations are database driven