update hp2sm

* r3886
    - remove empty backup and update page
update hp-blob

* r3882
    Web-UI:
    - Everythink's async now.

* r3893
    Web-UI:
    - XBMC dialog did not show up after 'applying' of an update.
fix nginx configuration
    - fix disable accesslog
    - set client_max_body_size to fix file uploads for hp-backup
Update NEWS