Add class for AccessDeniedHandler & AuthenticationEntryPoint

    firewalls:
        secured_area:
            pattern:    ^/admin
            access_denied_handler: ekino.wordpress.security.entry_point
            entry_point: ekino.wordpress.security.entry_point
            anonymous: ~
Fix class name
Merge pull request #51 from GromNaN/entry-point

Add class for AccessDeniedHandler & AuthenticationEntryPoint